{"title":"RODI Systems \u0026 Reverse Osmosis","description":"\u003cp class=\"mb-2 whitespace-pre-line last:mb-0\"\u003e\nRODI systems provide ultra-pure water by removing chlorine, chloramines, heavy metals, and impurities. Essential for reef tanks and ideal for freshwater too, reverse osmosis ensures clean, stable water for healthy fish, plants, and corals.\n\u003c\/p\u003e","products":[{"product_id":"icecap-4stage-rodi-75gpd","title":"IceCap 4-Stage RO\/DI System 75 GPD","description":"\u003cdiv style=\"background:#f5f5f5;border-left:4px solid #666;padding:10px 14px;margin:0 0 14px;font-size:0.95em;\"\u003e\u003cstrong\u003eIn-store pickup only.\u003c\/strong\u003e\u003c\/div\u003e\u003cp\u003eThe \u003cstrong\u003eIceCap 4-Stage RO\/DI System 75 GPD\u003c\/strong\u003e turns tap water into the zero-TDS water a reef tank needs for top-off and salt mixing. Sized for most home reefs, it makes up to 75 gallons a day, more than enough for daily top-off and a weekly water change on a typical display. A 5-micron sediment filter and a 5-micron carbon block protect a genuine Dow Filmtec membrane, and a color-changing mixed-bed DI cartridge polishes the last few parts per million away. Every unit comes complete with a glycerin-filled pressure gauge, auto shut-off valve, manual flush restrictor, mounting hardware, tubing and a filter wrench. Check your output with an inline meter such as the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hm-digital-trm-1-triple-inline-tds-meter\"\u003eHM Digital TRM-1\u003c\/a\u003e, and browse the rest of our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003ewater testing kits\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eWhy You'll Love It\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour stages to zero TDS:\u003c\/strong\u003e sediment, carbon block, RO membrane and DI resin reject up to 99% of dissolved solids, with the DI finishing at 0 ppm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Dow Filmtec membrane:\u003c\/strong\u003e the Dow Filmtec BW60-1812-75, the industry-standard thin-film composite element, not a generic copy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure gauge included:\u003c\/strong\u003e the glycerin-filled gauge shows feed pressure at a glance so you know when a pre-filter is clogging or a booster pump is needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto shut-off and flush:\u003c\/strong\u003e the shut-off valve stops production when your reservoir float valve closes, and the manual flush restrictor lets you rinse the membrane for longer life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear 10 inch canisters:\u003c\/strong\u003e see the sediment filter darken and the DI resin change color, so you change media on evidence rather than a calendar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady to hang:\u003c\/strong\u003e mounting bracket, 1\/4 inch push-connect fittings, tubing and a wrench are in the box, and it needs no electricity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSetup and Care\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the bracket near a cold water supply and a drain. Connect the feed with the included fittings and 1\/4 inch tubing, run the waste line to a drain and the product line to your reservoir.\u003c\/li\u003e\n\u003cli\u003eOpen the flush valve and let the unit run to waste for the first 20 to 30 minutes to rinse the new membrane, then close it and discard the first tank of water.\u003c\/li\u003e\n\u003cli\u003eMeter the water after the membrane and again after the DI. The membrane should reject most of the tap water TDS; the DI should read 0 ppm.\u003c\/li\u003e\n\u003cli\u003eReplace the sediment and carbon cartridges when flow or pressure drops, or about every six months, and the DI resin when the color change reaches the top of the cartridge. The membrane typically lasts years if the pre-filters are kept fresh.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eRated output assumes 77 degree F water at 50 PSI. Cold winter tap water and low household pressure both cut production; a booster pump restores it.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;max-width:640px;font-size:0.95em;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eIceCap IC-RI075\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eUp to 75 gallons per day\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eStages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e1: 5-micron polypropylene sediment. 2: 5-micron CTO carbon block. 3: Dow Filmtec BW60-1812-75 RO membrane. 4: Refillable color-changing mixed-bed DI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eWaste to product ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e3:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eRejection rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e99% typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eFeed pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e50 to 80 PSI optimal, 150 PSI maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eWater temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e77 F optimal, 90 F maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003epH range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e2 to 11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eCanisters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eStandard 10 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003ePlumbing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e1\/4 inch push-connect fittings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e16 x 6.5 x 15.5 in (L x W x H)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eNone required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eWater type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eMakes water for freshwater and saltwater aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e75 GPD 4-stage RO\/DI system with mounting hardware\u003c\/li\u003e\n\u003cli\u003eIceCap 5-micron polypropylene sediment filter\u003c\/li\u003e\n\u003cli\u003eIceCap 5-micron CTO carbon block filter\u003c\/li\u003e\n\u003cli\u003eDow Filmtec BW60-1812-75 RO membrane\u003c\/li\u003e\n\u003cli\u003eRefillable color-changing mixed-bed DI resin cartridge\u003c\/li\u003e\n\u003cli\u003eGlycerin-filled pressure gauge, auto shut-off valve and manual flush flow restrictor\u003c\/li\u003e\n\u003cli\u003eInstallation fittings, 1\/4 inch polyethylene tubing and a universal filter wrench\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-4stage-rodi-200gpd\"\u003eIceCap 4-Stage RO\/DI System 200 GPD\u003c\/a\u003e, for large systems or faster fills\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hm-digital-trm-1-triple-inline-tds-meter\"\u003eHM Digital TRM-1 Triple Inline TDS Meter\u003c\/a\u003e or \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hm-digital-tds-3-handheld-tds-meter\"\u003eTDS-3 handheld meter\u003c\/a\u003e, to prove the water is at 0 ppm\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/squeakys-aquatics-adjustable-ro-float-valve\"\u003eAdjustable RO float valve\u003c\/a\u003e, to shut the unit off when the reservoir is full\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquaready-di-resin-replacement-cartridge\"\u003eDI resin replacement cartridge\u003c\/a\u003e, for when the color change reaches the top\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-freshwater-ato-reservoir-5gal\"\u003eIceCap 5 gallon ATO reservoir\u003c\/a\u003e and \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-ato-ez-auto-top-off-system\"\u003eIceCap ATO EZ\u003c\/a\u003e, to put the water to work automatically\u003c\/li\u003e\n\u003cli\u003eMore \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003ewater testing kits\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is this pickup only?\u003c\/strong\u003e It is a bulky box that we would rather hand to you with a quick walkthrough of the fittings than trust to a courier. Order online and pick it up at the store.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill I really get 75 gallons a day?\u003c\/strong\u003e Only at the rated 77 degrees F and 50 PSI. Cold tap water and low pressure reduce output, sometimes by half in winter; a booster pump brings it back up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I know when to change the DI resin?\u003c\/strong\u003e Watch the color band climb the cartridge and check the output with a TDS meter. When the reading rises above 0 ppm, refill or replace the resin.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it for freshwater tanks too?\u003c\/strong\u003e Yes. Zero-TDS water is the blank slate for remineralizing planted tanks and for shrimp keepers, not just reefs.\u003c\/p\u003e","brand":"IceCap","offers":[{"title":"Default Title","offer_id":47488241926363,"sku":"IC-RI075","price":184.79,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/icecap_ri75_rodi_1_1.jpg?v=1755985509"},{"product_id":"icecap-4stage-rodi-100gpd","title":"IceCap 4-Stage RO\/DI System 100 GPD","description":"\u003cdiv style=\"background:#f5f5f5;border-left:4px solid #666;padding:10px 14px;margin:0 0 14px;font-size:0.95em;\"\u003e\u003cstrong\u003eIn-store pickup only.\u003c\/strong\u003e\u003c\/div\u003e\u003cp\u003eThe \u003cstrong\u003eIceCap 4-Stage RO\/DI System 100 GPD\u003c\/strong\u003e turns tap water into the zero-TDS water a reef tank needs for top-off and salt mixing. Sized for a single large display or a busy frag system, it makes up to 100 gallons a day on the same compact frame as the 75. A 5-micron sediment filter and a 5-micron carbon block protect a genuine Dow Filmtec membrane, and a color-changing mixed-bed DI cartridge polishes the last few parts per million away. Every unit comes complete with a glycerin-filled pressure gauge, auto shut-off valve, manual flush restrictor, mounting hardware, tubing and a filter wrench. Check your output with an inline meter such as the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hm-digital-trm-1-triple-inline-tds-meter\"\u003eHM Digital TRM-1\u003c\/a\u003e, and browse the rest of our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003ewater testing kits\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eWhy You'll Love It\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour stages to zero TDS:\u003c\/strong\u003e sediment, carbon block, RO membrane and DI resin reject up to 96 to 98% of dissolved solids, with the DI finishing at 0 ppm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Dow Filmtec membrane:\u003c\/strong\u003e the Dow Filmtec TW30-1812-100HP, the industry-standard thin-film composite element, not a generic copy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure gauge included:\u003c\/strong\u003e the glycerin-filled gauge shows feed pressure at a glance so you know when a pre-filter is clogging or a booster pump is needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto shut-off and flush:\u003c\/strong\u003e the shut-off valve stops production when your reservoir float valve closes, and the manual flush restrictor lets you rinse the membrane for longer life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear 10 inch canisters:\u003c\/strong\u003e see the sediment filter darken and the DI resin change color, so you change media on evidence rather than a calendar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady to hang:\u003c\/strong\u003e mounting bracket, 1\/4 inch push-connect fittings, tubing and a wrench are in the box, and it needs no electricity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSetup and Care\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the bracket near a cold water supply and a drain. Connect the feed with the included fittings and 1\/4 inch tubing, run the waste line to a drain and the product line to your reservoir.\u003c\/li\u003e\n\u003cli\u003eOpen the flush valve and let the unit run to waste for the first 20 to 30 minutes to rinse the new membrane, then close it and discard the first tank of water.\u003c\/li\u003e\n\u003cli\u003eMeter the water after the membrane and again after the DI. The membrane should reject most of the tap water TDS; the DI should read 0 ppm.\u003c\/li\u003e\n\u003cli\u003eReplace the sediment and carbon cartridges when flow or pressure drops, or about every six months, and the DI resin when the color change reaches the top of the cartridge. The membrane typically lasts years if the pre-filters are kept fresh.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eRated output assumes 77 degree F water at 50 PSI. Cold winter tap water and low household pressure both cut production; a booster pump restores it.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;max-width:640px;font-size:0.95em;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eIceCap IC-RI100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eUp to 100 gallons per day\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eStages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e1: 5-micron polypropylene sediment. 2: 5-micron CTO carbon block. 3: Dow Filmtec TW30-1812-100HP RO membrane. 4: Refillable color-changing mixed-bed DI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eWaste to product ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e3:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eRejection rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e96 to 98% typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eFeed pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e50 to 80 PSI optimal, 150 PSI maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eWater temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e77 F optimal, 90 F maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003epH range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e2 to 11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eCanisters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eStandard 10 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003ePlumbing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e1\/4 inch push-connect fittings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e16 x 6.5 x 15.5 in (L x W x H)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eNone required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eWater type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eMakes water for freshwater and saltwater aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e100 GPD 4-stage RO\/DI system with mounting hardware\u003c\/li\u003e\n\u003cli\u003eIceCap 5-micron polypropylene sediment filter\u003c\/li\u003e\n\u003cli\u003eIceCap 5-micron CTO carbon block filter\u003c\/li\u003e\n\u003cli\u003eDow Filmtec TW30-1812-100HP RO membrane\u003c\/li\u003e\n\u003cli\u003eRefillable color-changing mixed-bed DI resin cartridge\u003c\/li\u003e\n\u003cli\u003eGlycerin-filled pressure gauge, auto shut-off valve and manual flush flow restrictor\u003c\/li\u003e\n\u003cli\u003eInstallation fittings, 1\/4 inch polyethylene tubing and a universal filter wrench\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-4stage-rodi-75gpd\"\u003eIceCap 4-Stage RO\/DI System 75 GPD\u003c\/a\u003e, if 75 gallons a day is plenty\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-4stage-rodi-150gpd\"\u003eIceCap 4-Stage RO\/DI System 150 GPD\u003c\/a\u003e, for large systems or faster fills\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hm-digital-trm-1-triple-inline-tds-meter\"\u003eHM Digital TRM-1 Triple Inline TDS Meter\u003c\/a\u003e or \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hm-digital-tds-3-handheld-tds-meter\"\u003eTDS-3 handheld meter\u003c\/a\u003e, to prove the water is at 0 ppm\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/squeakys-aquatics-adjustable-ro-float-valve\"\u003eAdjustable RO float valve\u003c\/a\u003e, to shut the unit off when the reservoir is full\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquaready-di-resin-replacement-cartridge\"\u003eDI resin replacement cartridge\u003c\/a\u003e, for when the color change reaches the top\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-freshwater-ato-reservoir-5gal\"\u003eIceCap 5 gallon ATO reservoir\u003c\/a\u003e and \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-ato-ez-auto-top-off-system\"\u003eIceCap ATO EZ\u003c\/a\u003e, to put the water to work automatically\u003c\/li\u003e\n\u003cli\u003eMore \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003ewater testing kits\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is this pickup only?\u003c\/strong\u003e It is a bulky box that we would rather hand to you with a quick walkthrough of the fittings than trust to a courier. Order online and pick it up at the store.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill I really get 100 gallons a day?\u003c\/strong\u003e Only at the rated 77 degrees F and 50 PSI. Cold tap water and low pressure reduce output, sometimes by half in winter; a booster pump brings it back up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I know when to change the DI resin?\u003c\/strong\u003e Watch the color band climb the cartridge and check the output with a TDS meter. When the reading rises above 0 ppm, refill or replace the resin.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it for freshwater tanks too?\u003c\/strong\u003e Yes. Zero-TDS water is the blank slate for remineralizing planted tanks and for shrimp keepers, not just reefs.\u003c\/p\u003e","brand":"IceCap","offers":[{"title":"Default Title","offer_id":47488244973787,"sku":"IC-RI100","price":196.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/icecap_ri75_rodi_1_1.jpg?v=1755985509"},{"product_id":"icecap-4stage-rodi-150gpd","title":"IceCap 4-Stage RO\/DI System 150 GPD","description":"\u003cdiv style=\"background:#f5f5f5;border-left:4px solid #666;padding:10px 14px;margin:0 0 14px;font-size:0.95em;\"\u003e\u003cstrong\u003eIn-store pickup only.\u003c\/strong\u003e\u003c\/div\u003e\u003cp\u003eThe \u003cstrong\u003eIceCap 4-Stage RO\/DI System 150 GPD\u003c\/strong\u003e turns tap water into the zero-TDS water a reef tank needs for top-off and salt mixing. Sized for large reefs and multi-tank rooms, it makes up to 150 gallons a day at a lean 1.5 to 1 waste ratio. A 5-micron sediment filter and a 5-micron carbon block protect a genuine Dow Filmtec membrane, and a color-changing mixed-bed DI cartridge polishes the last few parts per million away. Every unit comes complete with a glycerin-filled pressure gauge, auto shut-off valve, manual flush restrictor, mounting hardware, tubing and a filter wrench. Check your output with an inline meter such as the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hm-digital-trm-1-triple-inline-tds-meter\"\u003eHM Digital TRM-1\u003c\/a\u003e, and browse the rest of our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003ewater testing kits\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eWhy You'll Love It\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour stages to zero TDS:\u003c\/strong\u003e sediment, carbon block, RO membrane and DI resin reject up to 99% of dissolved solids, with the DI finishing at 0 ppm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Dow Filmtec membrane:\u003c\/strong\u003e the Dow Filmtec BW60-1812-75, the industry-standard thin-film composite element, not a generic copy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure gauge included:\u003c\/strong\u003e the glycerin-filled gauge shows feed pressure at a glance so you know when a pre-filter is clogging or a booster pump is needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto shut-off and flush:\u003c\/strong\u003e the shut-off valve stops production when your reservoir float valve closes, and the manual flush restrictor lets you rinse the membrane for longer life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear 10 inch canisters:\u003c\/strong\u003e see the sediment filter darken and the DI resin change color, so you change media on evidence rather than a calendar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady to hang:\u003c\/strong\u003e mounting bracket, 1\/4 inch push-connect fittings, tubing and a wrench are in the box, and it needs no electricity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSetup and Care\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the bracket near a cold water supply and a drain. Connect the feed with the included fittings and 1\/4 inch tubing, run the waste line to a drain and the product line to your reservoir.\u003c\/li\u003e\n\u003cli\u003eOpen the flush valve and let the unit run to waste for the first 20 to 30 minutes to rinse the new membrane, then close it and discard the first tank of water.\u003c\/li\u003e\n\u003cli\u003eMeter the water after the membrane and again after the DI. The membrane should reject most of the tap water TDS; the DI should read 0 ppm.\u003c\/li\u003e\n\u003cli\u003eReplace the sediment and carbon cartridges when flow or pressure drops, or about every six months, and the DI resin when the color change reaches the top of the cartridge. The membrane typically lasts years if the pre-filters are kept fresh.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eRated output assumes 77 degree F water at 65 PSI. Cold winter tap water and low household pressure both cut production; a booster pump restores it.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;max-width:640px;font-size:0.95em;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eIceCap IC-RI150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eUp to 150 gallons per day\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eStages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e1: 5-micron polypropylene sediment. 2: 5-micron CTO carbon block. 3: Dow Filmtec BW60-1812-75 RO membrane. 4: Refillable color-changing mixed-bed DI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eWaste to product ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e1.5:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eRejection rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e99% typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eFeed pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e65 to 80 PSI optimal, 150 PSI maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eWater temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e77 F optimal, 90 F maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003epH range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e2 to 11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eCanisters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eStandard 10 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003ePlumbing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e1\/4 inch push-connect fittings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e16 x 6.5 x 18 in (L x W x H)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eNone required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eWater type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eMakes water for freshwater and saltwater aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e150 GPD 4-stage RO\/DI system with mounting hardware\u003c\/li\u003e\n\u003cli\u003eIceCap 5-micron polypropylene sediment filter\u003c\/li\u003e\n\u003cli\u003eIceCap 5-micron CTO carbon block filter\u003c\/li\u003e\n\u003cli\u003eDow Filmtec BW60-1812-75 RO membrane\u003c\/li\u003e\n\u003cli\u003eRefillable color-changing mixed-bed DI resin cartridge\u003c\/li\u003e\n\u003cli\u003eGlycerin-filled pressure gauge, auto shut-off valve and manual flush flow restrictor\u003c\/li\u003e\n\u003cli\u003eInstallation fittings, 1\/4 inch polyethylene tubing and a universal filter wrench\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-4stage-rodi-100gpd\"\u003eIceCap 4-Stage RO\/DI System 100 GPD\u003c\/a\u003e, a step down for a single large display\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-4stage-rodi-200gpd\"\u003eIceCap 4-Stage RO\/DI System 200 GPD\u003c\/a\u003e, for the biggest systems\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hm-digital-trm-1-triple-inline-tds-meter\"\u003eHM Digital TRM-1 Triple Inline TDS Meter\u003c\/a\u003e or \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hm-digital-tds-3-handheld-tds-meter\"\u003eTDS-3 handheld meter\u003c\/a\u003e, to prove the water is at 0 ppm\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/squeakys-aquatics-adjustable-ro-float-valve\"\u003eAdjustable RO float valve\u003c\/a\u003e, to shut the unit off when the reservoir is full\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquaready-di-resin-replacement-cartridge\"\u003eDI resin replacement cartridge\u003c\/a\u003e, for when the color change reaches the top\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-freshwater-ato-reservoir-5gal\"\u003eIceCap 5 gallon ATO reservoir\u003c\/a\u003e and \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-ato-ez-auto-top-off-system\"\u003eIceCap ATO EZ\u003c\/a\u003e, to put the water to work automatically\u003c\/li\u003e\n\u003cli\u003eMore \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003ewater testing kits\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is this pickup only?\u003c\/strong\u003e It is a bulky box that we would rather hand to you with a quick walkthrough of the fittings than trust to a courier. Order online and pick it up at the store.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill I really get 150 gallons a day?\u003c\/strong\u003e Only at the rated 77 degrees F and 65 PSI. Cold tap water and low pressure reduce output, sometimes by half in winter; a booster pump brings it back up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I know when to change the DI resin?\u003c\/strong\u003e Watch the color band climb the cartridge and check the output with a TDS meter. When the reading rises above 0 ppm, refill or replace the resin.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it for freshwater tanks too?\u003c\/strong\u003e Yes. Zero-TDS water is the blank slate for remineralizing planted tanks and for shrimp keepers, not just reefs.\u003c\/p\u003e","brand":"IceCap","offers":[{"title":"Default Title","offer_id":47488245170395,"sku":"IC-RI150","price":242.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/icecap_ri150_rodi_2.jpg?v=1755985765"},{"product_id":"icecap-4stage-rodi-200gpd","title":"IceCap 4-Stage RO\/DI System 200 GPD","description":"\u003cdiv style=\"background:#f5f5f5;border-left:4px solid #666;padding:10px 14px;margin:0 0 14px;font-size:0.95em;\"\u003e\u003cstrong\u003eIn-store pickup only.\u003c\/strong\u003e\u003c\/div\u003e\u003cp\u003eThe \u003cstrong\u003eIceCap 4-Stage RO\/DI System 200 GPD\u003c\/strong\u003e turns tap water into the zero-TDS water a reef tank needs for top-off and salt mixing. Sized for large reefs, multi-tank rooms and anyone tired of waiting on a reservoir, it makes up to 200 gallons a day at a lean 1.5 to 1 waste ratio. A 5-micron sediment filter and a 5-micron carbon block protect a genuine Dow Filmtec membrane, and a color-changing mixed-bed DI cartridge polishes the last few parts per million away. Every unit comes complete with a glycerin-filled pressure gauge, auto shut-off valve, manual flush restrictor, mounting hardware, tubing and a filter wrench. Check your output with an inline meter such as the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hm-digital-trm-1-triple-inline-tds-meter\"\u003eHM Digital TRM-1\u003c\/a\u003e, and browse the rest of our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003ewater testing kits\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eWhy You'll Love It\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour stages to zero TDS:\u003c\/strong\u003e sediment, carbon block, RO membrane and DI resin reject up to 98% of dissolved solids, with the DI finishing at 0 ppm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGenuine Dow Filmtec membrane:\u003c\/strong\u003e the Dow Filmtec TW30-1812-100HP, the industry-standard thin-film composite element, not a generic copy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure gauge included:\u003c\/strong\u003e the glycerin-filled gauge shows feed pressure at a glance so you know when a pre-filter is clogging or a booster pump is needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto shut-off and flush:\u003c\/strong\u003e the shut-off valve stops production when your reservoir float valve closes, and the manual flush restrictor lets you rinse the membrane for longer life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear 10 inch canisters:\u003c\/strong\u003e see the sediment filter darken and the DI resin change color, so you change media on evidence rather than a calendar.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady to hang:\u003c\/strong\u003e mounting bracket, 1\/4 inch push-connect fittings, tubing and a wrench are in the box, and it needs no electricity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSetup and Care\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the bracket near a cold water supply and a drain. Connect the feed with the included fittings and 1\/4 inch tubing, run the waste line to a drain and the product line to your reservoir.\u003c\/li\u003e\n\u003cli\u003eOpen the flush valve and let the unit run to waste for the first 20 to 30 minutes to rinse the new membrane, then close it and discard the first tank of water.\u003c\/li\u003e\n\u003cli\u003eMeter the water after the membrane and again after the DI. The membrane should reject most of the tap water TDS; the DI should read 0 ppm.\u003c\/li\u003e\n\u003cli\u003eReplace the sediment and carbon cartridges when flow or pressure drops, or about every six months, and the DI resin when the color change reaches the top of the cartridge. The membrane typically lasts years if the pre-filters are kept fresh.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003eRated output assumes 77 degree F water at 65 PSI. Cold winter tap water and low household pressure both cut production; a booster pump restores it.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;max-width:640px;font-size:0.95em;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eIceCap IC-RI200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eUp to 200 gallons per day\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eStages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e1: 5-micron polypropylene sediment. 2: 5-micron CTO carbon block. 3: Dow Filmtec TW30-1812-100HP RO membrane. 4: Refillable color-changing mixed-bed DI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eWaste to product ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e1.5:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eRejection rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e98% typical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eFeed pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e65 to 80 PSI optimal, 150 PSI maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eWater temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e77 F optimal, 90 F maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003epH range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e2 to 11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eCanisters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eStandard 10 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003ePlumbing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e1\/4 inch push-connect fittings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e16 x 6.5 x 18 in (L x W x H)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eNone required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eWater type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eMakes water for freshwater and saltwater aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e200 GPD 4-stage RO\/DI system with mounting hardware\u003c\/li\u003e\n\u003cli\u003eIceCap 5-micron polypropylene sediment filter\u003c\/li\u003e\n\u003cli\u003eIceCap 5-micron CTO carbon block filter\u003c\/li\u003e\n\u003cli\u003eDow Filmtec TW30-1812-100HP RO membrane\u003c\/li\u003e\n\u003cli\u003eRefillable color-changing mixed-bed DI resin cartridge\u003c\/li\u003e\n\u003cli\u003eGlycerin-filled pressure gauge, auto shut-off valve and manual flush flow restrictor\u003c\/li\u003e\n\u003cli\u003eInstallation fittings, 1\/4 inch polyethylene tubing and a universal filter wrench\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-4stage-rodi-75gpd\"\u003eIceCap 4-Stage RO\/DI System 75 GPD\u003c\/a\u003e, if 75 gallons a day is plenty\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hm-digital-trm-1-triple-inline-tds-meter\"\u003eHM Digital TRM-1 Triple Inline TDS Meter\u003c\/a\u003e or \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hm-digital-tds-3-handheld-tds-meter\"\u003eTDS-3 handheld meter\u003c\/a\u003e, to prove the water is at 0 ppm\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/squeakys-aquatics-adjustable-ro-float-valve\"\u003eAdjustable RO float valve\u003c\/a\u003e, to shut the unit off when the reservoir is full\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquaready-di-resin-replacement-cartridge\"\u003eDI resin replacement cartridge\u003c\/a\u003e, for when the color change reaches the top\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-freshwater-ato-reservoir-5gal\"\u003eIceCap 5 gallon ATO reservoir\u003c\/a\u003e and \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-ato-ez-auto-top-off-system\"\u003eIceCap ATO EZ\u003c\/a\u003e, to put the water to work automatically\u003c\/li\u003e\n\u003cli\u003eMore \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003ewater testing kits\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhy is this pickup only?\u003c\/strong\u003e It is a bulky box that we would rather hand to you with a quick walkthrough of the fittings than trust to a courier. Order online and pick it up at the store.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill I really get 200 gallons a day?\u003c\/strong\u003e Only at the rated 77 degrees F and 65 PSI. Cold tap water and low pressure reduce output, sometimes by half in winter; a booster pump brings it back up.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I know when to change the DI resin?\u003c\/strong\u003e Watch the color band climb the cartridge and check the output with a TDS meter. When the reading rises above 0 ppm, refill or replace the resin.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it for freshwater tanks too?\u003c\/strong\u003e Yes. Zero-TDS water is the blank slate for remineralizing planted tanks and for shrimp keepers, not just reefs.\u003c\/p\u003e","brand":"IceCap","offers":[{"title":"Default Title","offer_id":47488246481115,"sku":"IC-RI200","price":254.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/icecap_ri150_rodi_2.jpg?v=1755985765"},{"product_id":"icecap-ro-booster-pump-kit","title":"IceCap Reverse Osmosis Booster Pump Kit – Boost RO\/DI Efficiency","description":"\u003ch2\u003eIceCap Reverse Osmosis Booster Pump Kit\u003c\/h2\u003e\n\u003cp\u003eMaximize the performance of your RO\/DI system with the IceCap Booster Pump Kit! Perfect for homes with low water pressure, this kit raises incoming PSI levels to ensure your RO membrane works at peak efficiency. The result? Faster production of ultra-pure water, reduced wastewater, and better overall system performance. 💧⚡🏡\u003c\/p\u003e\n\u003ch3\u003eWhy You Need It\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e📈 Raises water pressure for improved RO membrane efficiency\u003c\/li\u003e\n\u003cli\u003e💧 Boosts daily GPD output for faster water production\u003c\/li\u003e\n\u003cli\u003e♻️ Reduces wastewater ratio, saving water and money\u003c\/li\u003e\n\u003cli\u003e🔧 Easy to install and fully compatible with IceCap RO\/DI systems\u003c\/li\u003e\n\u003cli\u003e🏡 Essential for homes with water pressure below 40 PSI\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSKU: IC-ROBPK\u003c\/li\u003e\n\u003cli\u003ePower: 24V DC\u003c\/li\u003e\n\u003cli\u003eIncludes: Booster pump, power supply, tubing, and fittings\u003c\/li\u003e\n\u003cli\u003eCompatible With: All IceCap 4-Stage RO\/DI Systems (75–200 GPD)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s Included 📦\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIceCap Booster Pump\u003c\/li\u003e\n\u003cli\u003ePower supply\u003c\/li\u003e\n\u003cli\u003e¼″ tubing \u0026amp; quick-connect fittings\u003c\/li\u003e\n\u003cli\u003eInstallation guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: center;\"\u003eMore Information ℹ️\u003c\/h3\u003e\n\u003ctable style=\"margin: 0 auto;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eItem Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIceCap Reverse Osmosis Booster Pump Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIceCap\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer SKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIC-ROBPK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Systems\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIceCap 4-Stage RO\/DI (75, 100, 150, 200 GPD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eShop Related RO\/DI Systems 🛒\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"https:\/\/squeakysaquatics.com\/icecap-4stage-rodi-75gpd\" target=\"_blank\"\u003eIceCap 75 GPD 4-Stage RO\/DI\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"https:\/\/squeakysaquatics.com\/icecap-4stage-rodi-100gpd\" target=\"_blank\"\u003eIceCap 100 GPD 4-Stage RO\/DI\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"https:\/\/squeakysaquatics.com\/icecap-4stage-rodi-150gpd\" target=\"_blank\"\u003eIceCap 150 GPD 4-Stage RO\/DI\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" href=\"https:\/\/squeakysaquatics.com\/icecap-4stage-rodi-200gpd\" target=\"_blank\"\u003eIceCap 200 GPD 4-Stage RO\/DI\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"IceCap","offers":[{"title":"Default Title","offer_id":47488247234779,"sku":"IC-ROBPK","price":149.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/icecap_rodi_boosterpumpkit.jpg?v=1755986047"},{"product_id":"aquaready-di-resin-replacement-cartridge","title":"AquaReady – DI Resin Replacement Cartridge","description":"\u003ch2\u003eAquaReady – DI Resin Replacement Cartridge\u003c\/h2\u003e\n\u003cp\u003eKeep your RO\/DI system performing at its best 💧 with the AquaReady DI Resin Replacement Cartridge. Designed for use with the AquaReady DI Stage Add-On, this refillable cartridge ensures your system continues to produce ultra pure, zero-TDS water for your reef or freshwater aquarium 🌊🐠.\u003c\/p\u003e\n\u003ch3\u003eWhy You’ll Love It 💙\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e🔄 Restores ultra pure water quality by removing remaining TDS\u003c\/li\u003e\n\u003cli\u003e⚙️ Fits perfectly in the AquaReady DI Stage Add-On\u003c\/li\u003e\n\u003cli\u003e🧰 Refillable design for cost-effective long-term use\u003c\/li\u003e\n\u003cli\u003e🌊 Essential for sensitive reef and freshwater tanks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRefillable DI resin cartridge\u003c\/li\u003e\n\u003cli\u003eCompatible with AquaReady DI Stage Add-On\u003c\/li\u003e\n\u003cli\u003eProvides zero-TDS water output\u003c\/li\u003e\n\u003cli\u003eClear housing visibility when paired with DI Stage Add-On\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Use ⚡\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRemove the old cartridge from your DI Stage housing\u003c\/li\u003e\n\u003cli\u003eInstall the new DI resin cartridge\u003c\/li\u003e\n\u003cli\u003eFlush briefly before use to ensure optimal water quality\u003c\/li\u003e\n\u003cli\u003eReplace when TDS levels begin to rise\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAquaReady DI Resin Replacement Cartridge (pre-filled)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: center;\"\u003eMore Information\u003c\/h3\u003e\n\u003ctable style=\"margin: 0 auto;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eItem Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAquaReady DI Resin Replacement Cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAquaReady\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer SKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e254061\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e850048740334\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRefillable DI Resin Cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAquaReady DI Stage Add-On\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRemoves remaining TDS for ultra pure water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eShop Related Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquaready-di-stage-add-on\" rel=\"noopener\" target=\"_blank\"\u003eAquaReady DI Stage Add-On\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquaready-3-stage-75gpd-ro-system\" rel=\"noopener\" target=\"_blank\"\u003eAquaReady 3-Stage 75 GPD RO System\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AquaReady","offers":[{"title":"Default Title","offer_id":47561494626523,"sku":"254061","price":34.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/254061-aquaready-prepacked-bulk-deionization-resin-filtration-fr.webp?v=1757193685"},{"product_id":"aquaready-carbon-block-filter","title":"AquaReady – Carbon Block Filter – RO System Replacement","description":"\u003ch2\u003eAquaReady – Carbon Block Filter – RO System Replacement\u003c\/h2\u003e\n\u003cp\u003eMaintain peak performance 💧 with the AquaReady Carbon Block Filter replacement. Engineered for AquaReady RO systems, this high-quality filter removes chlorine, chloramines, and harmful organics, protecting your RO membrane and ensuring long-lasting system efficiency 🌊.\u003c\/p\u003e\n\u003ch3\u003eWhy You’ll Love It 💙\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e🛡️ Effectively removes chlorine, chloramines, and VOCs\u003c\/li\u003e\n\u003cli\u003e⚙️ Protects and extends the life of your RO membrane\u003c\/li\u003e\n\u003cli\u003e🔧 Easy replacement in AquaReady RO units\u003c\/li\u003e\n\u003cli\u003e🌊 Keeps your aquarium water free from harmful contaminants\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for AquaReady RO Systems\u003c\/li\u003e\n\u003cli\u003e10\" carbon block cartridge\u003c\/li\u003e\n\u003cli\u003eHigh adsorption capacity\u003c\/li\u003e\n\u003cli\u003eProtects RO membranes from chlorine and organics\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Use ⚡\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTurn off your RO system and relieve pressure\u003c\/li\u003e\n\u003cli\u003eRemove the old carbon block filter from its housing\u003c\/li\u003e\n\u003cli\u003eInsert the new AquaReady Carbon Block Filter\u003c\/li\u003e\n\u003cli\u003eFlush the system for several minutes before use\u003c\/li\u003e\n\u003cli\u003eReplace every 6 months or as needed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne AquaReady 10\" Carbon Block Filter Cartridge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: center;\"\u003eMore Information\u003c\/h3\u003e\n\u003ctable style=\"margin: 0 auto;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eItem Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAquaReady Carbon Block Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAquaReady\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer SKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e200036\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e810067701139\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\" Carbon Block Cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePre-filtration stage for AquaReady RO Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRemoves chlorine, chloramines, VOCs, and organics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplacement Interval\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 6 months or as needed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eShop Related Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquaready-sediment-filter\" rel=\"noopener\" target=\"_blank\"\u003eAquaReady Sediment Filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquaready-di-resin-replacement-cartridge\" rel=\"noopener\" target=\"_blank\"\u003eAquaReady DI Resin Replacement Cartridge\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquaready-3-stage-75gpd-ro-system\" rel=\"noopener\" target=\"_blank\"\u003eAquaReady 3-Stage 75 GPD RO System\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AquaReady","offers":[{"title":"Default Title","offer_id":47561498886363,"sku":"200036","price":11.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/254060-brs-exb-carbonblockfilter-5micron-filtration-fr.webp?v=1757193869"},{"product_id":"aquaready-sediment-filter","title":"AquaReady – Sediment Filter – RO System Replacement","description":"\u003ch2\u003eAquaReady – Sediment Filter – RO System Replacement\u003c\/h2\u003e\n\u003cp\u003eKeep your AquaReady RO system running efficiently 💧 with the Sediment Filter replacement cartridge. This first line of defense removes dirt, rust, sand, and other particulates, preventing clogging and extending the life of your carbon block and RO membrane 🌊.\u003c\/p\u003e\n\u003ch3\u003eWhy You’ll Love It 💙\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e🛡️ Protects downstream filters and RO membranes\u003c\/li\u003e\n\u003cli\u003e🌊 Effectively removes sediment, silt, rust, and dirt\u003c\/li\u003e\n\u003cli\u003e⚙️ Designed specifically for AquaReady RO systems\u003c\/li\u003e\n\u003cli\u003e🔧 Quick and easy cartridge replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e10\" sediment filter cartridge\u003c\/li\u003e\n\u003cli\u003eCaptures particulate matter before carbon and RO stages\u003c\/li\u003e\n\u003cli\u003eDurable construction for consistent filtration\u003c\/li\u003e\n\u003cli\u003eEssential for optimal system performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to Use ⚡\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTurn off water supply and depressurize the system\u003c\/li\u003e\n\u003cli\u003eOpen the first filter housing and remove the old sediment filter\u003c\/li\u003e\n\u003cli\u003eInsert the new AquaReady Sediment Filter\u003c\/li\u003e\n\u003cli\u003eFlush the system before producing water\u003c\/li\u003e\n\u003cli\u003eReplace every 6 months or sooner if clogged\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne AquaReady 10\" Sediment Filter Cartridge\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"text-align: center;\"\u003eMore Information\u003c\/h3\u003e\n\u003ctable style=\"margin: 0px auto; width: 100%; height: 152px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 34.412977%; height: 19px;\"\u003e\u003cstrong\u003eItem Name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 62.811957%; height: 19px;\"\u003eAquaReady Sediment Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 34.412977%; height: 19px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 62.811957%; height: 19px;\"\u003eAquaReady\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 34.412977%; height: 19px;\"\u003e\u003cstrong\u003eManufacturer SKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 62.811957%; height: 19px;\"\u003e200035\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 34.412977%; height: 19px;\"\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 62.811957%; height: 19px;\"\u003e810067701122\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 34.412977%; height: 19px;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 62.811957%; height: 19px;\"\u003e10\" Sediment Cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 34.412977%; height: 19px;\"\u003e\u003cstrong\u003eStage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 62.811957%; height: 19px;\"\u003eStage 1 (Sediment Pre-Filter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 34.412977%; height: 19px;\"\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 62.811957%; height: 19px;\"\u003eRemoves dirt, rust, sand, and particulates\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 34.412977%; height: 19px;\"\u003e\u003cstrong\u003eReplacement Interval\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 62.811957%; height: 19px;\"\u003eEvery 6 months or sooner if clogged\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eShop Related Products\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquaready-carbon-block-filter\" rel=\"noopener\" target=\"_blank\"\u003eAquaReady Carbon Block Filter\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquaready-di-resin-replacement-cartridge\" rel=\"noopener\" target=\"_blank\"\u003eAquaReady DI Resin Replacement Cartridge\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquaready-3-stage-75gpd-ro-system\" rel=\"noopener\" target=\"_blank\"\u003eAquaReady 3-Stage 75 GPD RO System\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AquaReady","offers":[{"title":"Default Title","offer_id":47561503473883,"sku":"200035","price":4.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/254059-aquaready-sediment_filter-5-micron-filtration-fr.webp?v=1757194118"},{"product_id":"squeakys-aquatics-adjustable-ro-float-valve","title":"Squeaky's Aquatics Adjustable RO Float Valve","description":"\u003cp\u003eThe \u003cstrong\u003eSqueaky's Aquatics Adjustable RO Float Valve\u003c\/strong\u003e shuts off the flow from your RO or RO\/DI system the moment your storage container is full, so you can start a fill and walk away without water ending up on the floor or down the drain. It installs in anything from a 5 gallon bucket to a 200 gallon storage tank, and the adjustable arm lets you set exactly where the fill stops. Pair it with a \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hm-digital-trm-1-triple-inline-tds-meter\"\u003eTDS meter\u003c\/a\u003e and one of our \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-4stage-rodi-100gpd\"\u003eIceCap RO\/DI systems\u003c\/a\u003e for a fully hands-off water station.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:16px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eHow It Works\u003c\/h3\u003e\n\u003cp\u003eWater flows through the valve into the container until the polyethylene float rises with the water level and closes the valve. As you draw water down, the float drops and the valve reopens, keeping your reservoir topped up automatically. Adjust the arm angle to raise or lower the shut-off point.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:16px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStops overflows.\u003c\/strong\u003e Automatic shut-off saves water and protects your floor.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable level.\u003c\/strong\u003e Set the fill height to suit the container.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits standard RO tubing.\u003c\/strong\u003e 1\/4 inch inlet with a JACO compression nut.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt to last.\u003c\/strong\u003e NSF-approved PVC body, 18-8 stainless hardware, and replaceable chemical-resistant Santoprene seals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple install.\u003c\/strong\u003e Drill a 1\/2 inch hole, slide the valve through, and tighten the included jam nut.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:16px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eInstallation Notes\u003c\/h3\u003e\n\u003cp\u003eMount through a 1\/2 inch hole in a container wall up to 1\/4 inch thick, near the top at your desired full level. Connect 1\/4 inch RO tubing to the inlet. Note that a float valve stops product water only; to also stop the waste line when the container is full, your RO unit needs an auto shut-off valve, which most complete RO\/DI systems include.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:16px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;margin:8px 0;font-size:0.95em;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eInlet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e1\/4 in tubing (JACO compression nut), free-flow outlet, 0.093 in orifice\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eFlow rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eApprox. 1.5 GPM at 40 PSI; tested to 100 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e1\/2 in hole; container wall up to 1\/4 in thick\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eSize\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eApprox. 1.4 in diameter; 5.7 in flange to float tip (inlet adds about 1 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eMaterials\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eNSF PVC body, 18-8 stainless hardware, Santoprene seals, polyethylene float\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eValve, float, jam nut, sealing washer, JACO compression nut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eWater type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eFreshwater and saltwater RO\/DI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"margin:16px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hm-digital-trm-1-triple-inline-tds-meter\"\u003eHM Digital TRM-1 Triple Inline TDS Meter\u003c\/a\u003e to monitor your RO\/DI output\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-4stage-rodi-75gpd\"\u003eIceCap 4-Stage RO\/DI\u003c\/a\u003e systems in 75, 100, and 150 GPD\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-freshwater-ato-reservoir-5gal\"\u003eIceCap ATO Reservoir\u003c\/a\u003e for a tidy top-off water supply\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:16px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWill it work in a 5 gallon bucket?\u003c\/strong\u003e Yes. Any container with a wall up to 1\/4 inch thick and room for a 1\/2 inch hole works.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it stop the waste water too?\u003c\/strong\u003e Not by itself. The float stops product water; an auto shut-off valve on the RO unit stops the waste line when pressure builds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I adjust where it shuts off?\u003c\/strong\u003e Yes. Bend or angle the float arm to raise or lower the shut-off level.\u003c\/p\u003e","brand":"Squeaky's Aquatics","offers":[{"title":"Default Title","offer_id":47561522675931,"sku":"200066","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/adj-float-valve.webp?v=1757195467"},{"product_id":"ro-sediment-filter","title":"RO Sediment Filter","description":"\u003cdiv class=\"mb-2 whitespace-pre-line last:mb-0\"\u003e\n  Keep your aquarium water sparkling and your filtration system running smoothly with our RO Sediment Filter! Designed for both freshwater and saltwater aquariums, this filter acts as the first line of defense, trapping dirt, sand, rust, and fine particles before they reach your RO membrane or carbon block. By removing these impurities early, you’ll enjoy longer filter life, clearer water, and happier aquatic friends. Easy to install and replace—just swap it out as recommended for best results. Whether you’re a seasoned aquarist or just starting out, our team is always happy to help with filter tips and advice!\n\u003c\/div\u003e\n\n\u003ctable style=\"width:100%; text-align:left;\"\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"width:33.6315%; height:19.5938px;\"\u003e\u003cstrong\u003eAvailability\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"width:66.0107%; height:19.5938px;\"\u003eIn Stock\/Restockable\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"width:33.6315%; height:19.5938px;\"\u003e\u003cstrong\u003eItem\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"width:66.0107%; height:19.5938px;\"\u003eRO Sediment Filter\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"width:33.6315%; height:19.5938px;\"\u003e\u003cstrong\u003eBest For\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"width:66.0107%; height:19.5938px;\"\u003eFreshwater \u0026amp; Saltwater Aquariums\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"width:33.6315%; height:19.5938px;\"\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"width:66.0107%; height:19.5938px;\"\u003eTraps dirt, sand, rust, \u0026amp; fine particles\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"width:33.6315%; height:19.5938px;\"\u003e\u003cstrong\u003eShipping\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"width:66.0107%; height:19.5938px;\"\u003eAvailable for shipping and in-store pickup\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ctable style=\"width:100%; text-align:left;\"\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"width:33.6315%; height:19.5938px;\"\u003e\u003cstrong\u003eHow often should I replace it?\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"width:66.0107%; height:19.5938px;\"\u003eTypically every 6–12 months, or as soon as you notice reduced water flow or visible discoloration.\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"width:33.6315%; height:19.5938px;\"\u003e\u003cstrong\u003eIs it easy to install?\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"width:66.0107%; height:19.5938px;\"\u003eAbsolutely! Most RO units are designed for quick filter swaps. Ask our staff for tips if you need a hand.\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"width:33.6315%; height:19.5938px;\"\u003e\u003cstrong\u003eCan I use it with any RO\/DI system?\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd style=\"width:66.0107%; height:19.5938px;\"\u003eCompatible with most standard RO and RO\/DI units—check your system specs or bring details to the store for help.\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eExtra Tips\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck your sediment filter regularly—replace when it looks dirty or water flow drops for best performance.\u003c\/li\u003e\n  \u003cli\u003eUsing a sediment filter can extend the life of your carbon and RO filters, saving you money in the long run.\u003c\/li\u003e\n  \u003cli\u003eBring your filter specs to the shop if you’re unsure which size you need—our team loves to help!\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c!-- SEO Section (for Shopify fields, not for product description box) --\u003e\n\u003c!--\nShopify Page Title: RO Sediment Filter | Aquarium Pre-Filter | Squeaky's Aquatics\nMeta Description: RO sediment filter for aquariums. Traps particles and protects your system. High-quality filtration from Squeaky's Aquatics.\nURL Handle: ro-sediment-filter\n--\u003e\n","brand":"ReefH20","offers":[{"title":"0.5 Micron","offer_id":48301984841947,"sku":"01055","price":9.99,"currency_code":"USD","in_stock":false},{"title":"1 Micron","offer_id":48301984874715,"sku":"01001","price":6.99,"currency_code":"USD","in_stock":true},{"title":"5 Micron","offer_id":48301984907483,"sku":"01005","price":5.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/image_beeb2113-9f66-41ef-98f2-dec8e7da311e.png?v=1772027594"},{"product_id":"ro-carbon-block-filter","title":"RO Carbon Block Filter","description":"\u003cdiv class=\"mb-2 whitespace-pre-line last:mb-0\"\u003eKeep your aquarium water crystal clear and your aquatic friends happy with our RO Carbon Block Filter! Designed for both freshwater and saltwater systems, this filter removes chlorine, chloramine, and organic contaminants for pure, safe water every time. Ideal for hobbyists who want to protect sensitive species and keep tanks looking their best. Easy to install and long-lasting—just swap it out as recommended for peak performance. Our team is always here to help with advice and tips!\u003c\/div\u003e\n\u003ctable style=\"width: 100%; text-align: left;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.6315%; height: 19.5938px;\"\u003e\u003cstrong\u003eAvailability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0107%; height: 19.5938px;\"\u003eIn Stock\/Restockable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.6315%; height: 19.5938px;\"\u003e\u003cstrong\u003eItem\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0107%; height: 19.5938px;\"\u003eRO Carbon Block Filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.6315%; height: 19.5938px;\"\u003e\u003cstrong\u003eBest For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0107%; height: 19.5938px;\"\u003eFreshwater \u0026amp; Saltwater Aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.6315%; height: 19.5938px;\"\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0107%; height: 19.5938px;\"\u003eRemoves chlorine, chloramine, \u0026amp; organics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.6315%; height: 19.5938px;\"\u003e\u003cstrong\u003eShipping\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0107%; height: 19.5938px;\"\u003eAvailable for shipping and in-store pickup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; text-align: left;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.6315%; height: 19.5938px;\"\u003e\u003cstrong\u003eHow often should I replace it?\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0107%; height: 19.5938px;\"\u003eTypically every 6 months or as recommended by your system manufacturer.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.6315%; height: 19.5938px;\"\u003e\u003cstrong\u003eIs it easy to install?\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0107%; height: 19.5938px;\"\u003eYes! Most RO units are designed for quick filter swaps. Ask our staff for tips.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 33.6315%; height: 19.5938px;\"\u003e\u003cstrong\u003eCan I use it with any RO\/DI system?\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 66.0107%; height: 19.5938px;\"\u003eCompatible with most standard RO\/DI units—check your system specs or bring details to the store.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eExtra Tips\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFor the cleanest water, always use fresh carbon blocks in your RO unit.\u003c\/li\u003e\n\u003cli\u003eBring your filter specs to the shop if you're unsure which size you need—our team loves to help!\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- SEO Section (for Shopify fields, not for product description box) --\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c!--\nShopify Page Title: RO Carbon Block Filter | Aquarium Water Purity | Squeaky's Aquatics\nMeta Description: RO Carbon Block Filter for pure aquarium water. Shipping and in-store pickup available at Squeaky's Aquatics, Lawrenceville GA.\nURL Handle: ro-carbon-block-filter\n--\u003e","brand":"ReefH20","offers":[{"title":"0.5 Micron","offer_id":48302000341211,"sku":"02510","price":15.99,"currency_code":"USD","in_stock":false},{"title":"1 Micron","offer_id":48302000373979,"sku":"21001","price":12.99,"currency_code":"USD","in_stock":true},{"title":"5 Micron","offer_id":48302000406747,"sku":"21005","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/image_4f098d1b-945c-43d1-8802-7ad6f7926689.png?v=1772027764"},{"product_id":"icecap-dual-di-filter-canister-ro-di-polishing","title":"IceCap Dual DI Filter Canister | Inline Polishing DI for RO\/DI Water","description":"\u003cdiv class=\"sectionContent\"\u003e\n  \u003cp\u003eThe IceCap Dual DI Filter Canister is an inline \u003cstrong\u003edual-chamber deionization\u003c\/strong\u003e housing designed to polish RO water down to a true 0 TDS — the standard for pristine reef tanks, sensitive freshwater shrimp setups, and planted aquariums. Two DI cartridges in series mean the first stage takes the bulk of the load while the second stage acts as a final polisher, dramatically extending the life of your DI resin and giving you a more reliable 0 TDS reading at the outlet.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eHeads up — Overweight Item:\u003c\/strong\u003e Due to size and weight, this item is not eligible for our free shipping program. Standard shipping rates apply at checkout. Local pickup is always free at our Lawrenceville GA store if you'd rather skip the shipping.\u003c\/p\u003e\n  \u003cp\u003eLooking for more water care? Browse our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/filter-media-cartridges\" target=\"_blank\"\u003eFilter Media \u0026amp; Cartridges\u003c\/a\u003e, \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/maintenance-water-care\" target=\"_blank\"\u003eMaintenance \u0026amp; Water Care\u003c\/a\u003e, and \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\" target=\"_blank\"\u003eWater Testing Kits\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sectionTitle\"\u003eFeatures\u003c\/div\u003e\n\u003cdiv class=\"sectionContent\"\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDual-stage DI\u003c\/strong\u003e — two chambers in series for longer resin life and more reliable 0 TDS output\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRefillable\u003c\/strong\u003e — reload with bulk DI resin (color-changing or mixed-bed) when exhausted\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStandard fittings\u003c\/strong\u003e — integrates with most RO\/DI systems with quick-connect or threaded inputs\/outputs\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWall-mount friendly\u003c\/strong\u003e — compact, durable housing for under-sink or utility-room installs\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSuitable for both freshwater and saltwater\u003c\/strong\u003e — anywhere you need ultra-low TDS top-off or makeup water\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sectionTitle\"\u003eInstallation \u0026amp; Usage\u003c\/div\u003e\n\u003cdiv class=\"sectionContent\"\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWhere it goes:\u003c\/strong\u003e After your RO membrane, before the storage tank or float valve. Water flows in → first DI chamber → second DI chamber → out to your reservoir.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eResin loading:\u003c\/strong\u003e Use color-changing mixed-bed DI resin (or a separate cation\/anion stack) so you can visually see when each chamber is exhausted.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReplace timing:\u003c\/strong\u003e When the first chamber's resin has changed color completely, swap it for fresh resin and rotate the second chamber forward — the polishing chamber typically lasts 2–3x longer than the first.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTDS check:\u003c\/strong\u003e Keep a TDS meter inline at the outlet — anything \u0026gt; 0 means the second-stage resin is starting to break through and needs attention.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInitial flush:\u003c\/strong\u003e When loading new resin, run a few gallons through and discard before using for top-off; this clears any fines or air pockets.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sectionTitle\"\u003eSpecifications\u003c\/div\u003e\n\u003cdiv class=\"sectionContent\"\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eIceCap\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eDual DI Filter Canister\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eInline dual-chamber DI housing (refillable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eUse For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003ePolishing RO water to 0 TDS for reef, planted, and shrimp aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eSuitable For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eFreshwater \u0026amp; Saltwater (anywhere ultra-low TDS is needed)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eRefillable\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eYes — uses standard DI resin\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eShipping\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eOverweight — not eligible for free shipping; standard rates apply\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 6px; border: 1px solid #ddd;\"\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sectionTitle\"\u003eRecommended Pairings\u003c\/div\u003e\n\u003cdiv class=\"sectionContent\"\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/filter-media-cartridges\"\u003eDI resin \u0026amp; replacement cartridges\u003c\/a\u003e — keep spares so you never miss a top-off\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003eTDS meters \u0026amp; water testing\u003c\/a\u003e — verify 0 TDS at the outlet\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/salt-mixes\"\u003eReef salt mixes\u003c\/a\u003e — pair with clean RO\/DI for stable salinity\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/maintenance-water-care\"\u003eMaintenance \u0026amp; water care\u003c\/a\u003e — water conditioners, buffers, and additives\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sectionTitle\"\u003eFAQ\u003c\/div\u003e\n\u003cdiv class=\"sectionContent\"\u003e\n  \u003cp\u003e\u003cstrong\u003eWhy a dual DI vs. a single DI?\u003c\/strong\u003e\u003cbr\u003eTwo chambers in series means the first stage absorbs the bulk of the ions, while the second polishes anything that breaks through. You get longer resin life overall and a more reliable 0 TDS reading because there's always a \"fresh\" polishing chamber on the back end.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eWhat resin should I use?\u003c\/strong\u003e\u003cbr\u003eA color-changing mixed-bed DI resin is the easiest — you can see at a glance when it's exhausted. Some hobbyists run separate cation and anion resin in each chamber for even longer life.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eHow often do I replace the resin?\u003c\/strong\u003e\u003cbr\u003eIt depends on your source water TDS, RO membrane efficiency, and water usage. With color-changing resin you'll see when the first chamber turns; rotate the polishing chamber forward and reload the empty one.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eDoes this qualify for free shipping?\u003c\/strong\u003e\u003cbr\u003eNo — due to size and weight this item is excluded from our free shipping program. Standard shipping rates apply at checkout. If you're local, in-store pickup at our Lawrenceville GA location is free.\u003c\/p\u003e\n  \u003cp\u003e\u003cstrong\u003eWill it work with my existing RO\/DI system?\u003c\/strong\u003e\u003cbr\u003eMost likely yes — IceCap canisters use standard fittings. Check your system's tubing size (typically 1\/4\" or 3\/8\") and make sure your inputs\/outputs match.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"IceCap","offers":[{"title":"Default Title","offer_id":48637289660635,"sku":"IC-DFC200","price":56.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/icecap_dualdicanister.jpg?v=1776870231"},{"product_id":"autoaqua-titanium-s2-inline-tds-meter-rodi-monitor","title":"AutoAqua Inline TDS Meter - Titanium S2","description":"\u003cp\u003eAre you tired of big, boxy, hard-to-read TDS meters? So are we! That's why we built the \u003cstrong\u003eAutoAqua Titanium Series TDS meters\u003c\/strong\u003e. They are small, easy-to-use, and have a big bright screen to make checking your TDS fast and easy.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eTitanium S2\u003c\/strong\u003e also has a magnetically coupled controller to make it easy to pick up and stick back on the metal frame of your reverse osmosis system. There is no other TDS meter on the market like it. Browse all our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003ewater testing kits\u003c\/a\u003e or our complete \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/maintenance-water-care\"\u003emaintenance \u0026amp; water care\u003c\/a\u003e lineup.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #006064;padding-left:8px;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInline installation\u003c\/strong\u003e — connects directly to your RO\/DI system tubing so you can monitor purity continuously, not just when you remember to test.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnetic mount\u003c\/strong\u003e — the display unit attaches to the metal RO\/DI frame magnetically and pops off in your hand for quick reading.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-probe ready\u003c\/strong\u003e — Titanium S2 monitors both inlet and outlet TDS so you can see exactly how much your DI resin is removing in real time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLarge bright display\u003c\/strong\u003e — readable at a glance from across the room.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact footprint\u003c\/strong\u003e — fits any RO\/DI setup, even tight under-sink installs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #006064;padding-left:8px;\"\u003eWhy You Need Inline TDS Monitoring\u003c\/h3\u003e\n\u003cp\u003eRO\/DI water purity is the single most important variable for a healthy reef tank. As DI resin exhausts, TDS creeps up — sometimes within days of a fresh fill. A handheld TDS pen only tells you the water quality at the moment you test; an inline meter shows you the trend so you know exactly when to swap DI resin (target: 0 ppm out, replace at the first sign of creep above 1–2 ppm).\u003c\/p\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #006064;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;margin:6px 0 10px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;width:42%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eAutoAqua\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eTitanium S2 (Digital Inline TDS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e\u003cstrong\u003eProbes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e2 (inlet + outlet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e\u003cstrong\u003eMount\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eMagnetic — attaches to any metal RO\/DI frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eLarge digital screen, ppm readout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e\u003cstrong\u003eUse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eRO\/DI water systems (freshwater \u0026amp; reef)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #006064;padding-left:8px;\"\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-dual-di-filter-canister-ro-di-polishing\"\u003eIceCap Dual DI Filter Canister\u003c\/a\u003e — inline polishing DI for the cleanest possible RO\/DI water\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-ro-booster-pump-kit\"\u003eIceCap RO Booster Pump Kit\u003c\/a\u003e — improves rejection rate and output speed\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-4stage-rodi-100gpd\"\u003eIceCap 4-Stage RO\/DI System\u003c\/a\u003e — full RO\/DI builds in 75\/100\/150\/200 GPD\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003eAll water testing kits\u003c\/a\u003e — Ca, Alk, Mg, nitrate, phosphate, and more\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/maintenance-water-care\"\u003eMaintenance \u0026amp; water care supplies\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #006064;padding-left:8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does TDS actually measure?\u003c\/strong\u003e\u003cbr\u003e\nTDS stands for Total Dissolved Solids — the total concentration of ions in the water expressed in parts per million (ppm). For reef and freshwater tanks, your RO\/DI output should read 0 ppm; tap water typically reads 100–500 ppm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I install it?\u003c\/strong\u003e\u003cbr\u003e\nThe probes splice into your RO\/DI tubing — one before the DI stage (inlet) and one after (outlet). Most installations take under 10 minutes with standard quick-connect fittings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it accurate enough for reef tanks?\u003c\/strong\u003e\u003cbr\u003e\nYes — the Titanium S2 is accurate to ±2% and is designed specifically for the aquarium hobby. The dual-probe inline readout is more informative than a standalone pen meter for ongoing reef use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhen should I replace the DI resin?\u003c\/strong\u003e\u003cbr\u003e\nReplace at the first sign of TDS creep on the outlet probe (above 1–2 ppm). Mixed-bed color-changing resin also gives a visual cue, but TDS is the most reliable indicator.\u003c\/p\u003e","brand":"AutoAqua","offers":[{"title":"Default Title","offer_id":48789827387611,"sku":"21190","price":47.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/AA21190-2T.png?v=1779215568"},{"product_id":"aquatic-life-mixed-bed-resin-di-cartridge","title":"Aquatic Life Mixed Bed Resin DI Cartridge","description":"\u003cp\u003eThe \u003cstrong\u003eAquatic Life Mixed Bed Resin DI Cartridge\u003c\/strong\u003e is the final polishing stage in a reverse osmosis \/ deionization system, the step that takes already-clean RO water down to a true 0 TDS. It is packed with mixed bed resin, a blend of cation and anion exchange beads that strip out the last dissolved ions an RO membrane leaves behind. The result is the ultra-pure water that reef tanks, planted aquariums, and sensitive fish depend on for stable, algae-resistant conditions.\u003c\/p\u003e\n\u003cp style=\"margin: 14px 0 4px; font-size: 1.05em; font-weight: 600; line-height: 1.25; border-left: 4px solid #006064; padding-left: 8px;\"\u003eHow It Works\u003c\/p\u003e\n\u003cp\u003eWater that has already passed through your sediment, carbon, and RO membrane stages flows through this cartridge last. The mixed resin grabs the remaining ions, including silicates and phosphates that feed nuisance algae, and polishes the water to 0 TDS. The color-indicating resin gradually changes shade as it exhausts, giving you an easy visual cue to pair with your TDS meter so you know exactly when it is time for a fresh cartridge.\u003c\/p\u003e\n\u003cp style=\"margin: 14px 0 4px; font-size: 1.05em; font-weight: 600; line-height: 1.25; border-left: 4px solid #006064; padding-left: 8px;\"\u003eSpecifications\u003c\/p\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; margin: 4px 0; font-size: 0.95em;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #B2EBF2; background: #E0F7FA; padding: 6px 10px; font-weight: 600; white-space: nowrap; text-align: left;\"\u003eBrand\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 6px 10px;\"\u003eAquatic Life\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #B2EBF2; background: #E0F7FA; padding: 6px 10px; font-weight: 600; white-space: nowrap; text-align: left;\"\u003eType\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 6px 10px;\"\u003eMixed bed deionization (DI) resin cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #B2EBF2; background: #E0F7FA; padding: 6px 10px; font-weight: 600; white-space: nowrap; text-align: left;\"\u003eStage\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 6px 10px;\"\u003eFinal polishing, after the RO membrane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #B2EBF2; background: #E0F7FA; padding: 6px 10px; font-weight: 600; white-space: nowrap; text-align: left;\"\u003eResin\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 6px 10px;\"\u003eMixed bed (cation + anion exchange)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #B2EBF2; background: #E0F7FA; padding: 6px 10px; font-weight: 600; white-space: nowrap; text-align: left;\"\u003eIndicator\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 6px 10px;\"\u003eColor-changing resin shows when exhausted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #B2EBF2; background: #E0F7FA; padding: 6px 10px; font-weight: 600; white-space: nowrap; text-align: left;\"\u003eTarget output\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 6px 10px;\"\u003e0 TDS purified water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #B2EBF2; background: #E0F7FA; padding: 6px 10px; font-weight: 600; white-space: nowrap; text-align: left;\"\u003eUse with\u003c\/th\u003e\n\u003ctd style=\"border: 1px solid #B2EBF2; padding: 6px 10px;\"\u003eFreshwater and saltwater aquariums\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"margin: 14px 0 4px; font-size: 1.05em; font-weight: 600; line-height: 1.25; border-left: 4px solid #006064; padding-left: 8px;\"\u003eWhen To Replace\u003c\/p\u003e\n\u003cp\u003eSwap the DI cartridge when your TDS meter reads above 0 to 1 on the final output, or when the resin has fully changed color. DI resin is the stage that exhausts fastest because it does the finest polishing, so keeping a spare on hand means you are never caught with cloudy water on water-change day. Replacing your sediment and carbon stages on schedule helps your DI resin last longer.\u003c\/p\u003e\n\u003cp style=\"margin: 14px 0 4px; font-size: 1.05em; font-weight: 600; line-height: 1.25; border-left: 4px solid #006064; padding-left: 8px;\"\u003eRecommended Supplies\u003c\/p\u003e\n\u003cul style=\"margin: 4px 0; padding-left: 20px; line-height: 1.5;\"\u003e\n\u003cli\u003eKnow exactly when to replace it with an \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/autoaqua-titanium-s2-inline-tds-meter-rodi-monitor\"\u003eAutoAqua Inline TDS Meter\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eRefresh the upstream stages with a \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/ro-sediment-filter\"\u003eRO Sediment Filter\u003c\/a\u003e and \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/ro-carbon-block-filter\"\u003eRO Carbon Block Filter\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eBrowse our full range of \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/rodi-systems-reverse-osmosis\"\u003eRODI Systems \u0026amp; Reverse Osmosis\u003c\/a\u003e gear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin: 14px 0 4px; font-size: 1.05em; font-weight: 600; line-height: 1.25; border-left: 4px solid #006064; padding-left: 8px;\"\u003eQuestions \u0026amp; Answers\u003c\/p\u003e\n\u003cp style=\"margin: 8px 0 0; line-height: 1.5;\"\u003e\u003cstrong\u003eWhat does the DI stage do that the RO membrane does not?\u003c\/strong\u003e\u003cbr\u003eAn RO membrane removes most dissolved solids but not quite all of them. The mixed bed DI resin polishes off the remaining ions to reach a true 0 TDS, which is important for reef tanks and other sensitive systems.\u003c\/p\u003e\n\u003cp style=\"margin: 8px 0 0; line-height: 1.5;\"\u003e\u003cstrong\u003eHow do I know when to change it?\u003c\/strong\u003e\u003cbr\u003eUse a TDS meter on the final output. When it climbs above 0 to 1, the resin is spent. The color-indicating resin also changes shade as it exhausts, giving you a second visual confirmation.\u003c\/p\u003e\n\u003cp style=\"margin: 8px 0 0; line-height: 1.5;\"\u003e\u003cstrong\u003eWill it fit my system?\u003c\/strong\u003e\u003cbr\u003eThis is a standard inline DI cartridge for reverse osmosis \/ deionization systems. It works in Aquatic Life RODI units and other systems that use the same cartridge format.\u003c\/p\u003e\n\u003cp style=\"margin: 8px 0 0; line-height: 1.5;\"\u003e\u003cstrong\u003eDo I need pure water for a freshwater tank too?\u003c\/strong\u003e\u003cbr\u003eIt helps. Starting with 0 TDS water lets you dial in exact parameters, avoid unwanted minerals, and reduce algae, which benefits planted tanks, shrimp, and soft-water species as much as reef tanks.\u003c\/p\u003e","brand":"Aquatic Life","offers":[{"title":"Default Title","offer_id":48789829124315,"sku":"01091","price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/AL01091-2.png?v=1779215726"},{"product_id":"seachem-hydrotote-collapsible-jug","title":"Seachem HydroTote Collapsible Jug","description":"\u003cp\u003e\u003cstrong\u003eThe easy way to haul water home.\u003c\/strong\u003e The Seachem HydroTote is a collapsible jug for carrying and storing RO water, DI water, or premixed saltwater, the perfect companion for anyone who fills up at the fish store. It pours cleanly, folds flat when empty to save space, and is tough enough to survive a drop from up to 3 meters while full.\u003c\/p\u003e\n\u003cp\u003eGrab a HydroTote when you pick up water at the shop, then condition and top off at home with \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-prime-complete-concentrated-water-conditioner\"\u003eSeachem Prime\u003c\/a\u003e, and browse our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/rodi-systems-reverse-osmosis\"\u003eRO\/DI systems \u0026amp; water\u003c\/a\u003e for more.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollapsible design\u003c\/strong\u003e folds flat when empty, so it stores in a fraction of the space of a hard jug or bucket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt to travel\u003c\/strong\u003e, it withstands a drop of up to 3 meters (about 10 feet) while full.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClean, controlled pour\u003c\/strong\u003e from the spout for mess-free top-offs and water changes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor any water\u003c\/strong\u003e, use it for RO, DI, or premixed saltwater in freshwater and reef systems alike.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSturdy carry handle\u003c\/strong\u003e for easy lifting and transport.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eChoose Your Size\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;font-size:0.95em;margin:4px 0 10px;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;\"\u003eSize\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;\"\u003eCapacity\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;\"\u003eBest for\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e2.5 Gallon\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e10 L\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eNano and small tanks, easy one-hand carry\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e5 Gallon\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e20 L\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eLarger tanks and bigger water changes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eHow to Use\u003c\/h3\u003e\n\u003cp\u003eUnfold the HydroTote and fill it at the store or from your own RO\/DI unit. Cap it for the trip home, then pour directly into your mixing station, top-off reservoir, or tank. When you are done, empty it, let it dry, and fold it flat for storage.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;font-size:0.95em;margin:4px 0 10px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;width:38%;\"\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eCollapsible water transport jug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eSizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e2.5 gallon (10 L) and 5 gallon (20 L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eHolds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eRO, DI, or premixed saltwater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eDrop rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eUp to 3 meters while full\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eStorage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eFolds flat when empty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eFreshwater and saltwater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-prime-complete-concentrated-water-conditioner\"\u003eSeachem Prime\u003c\/a\u003e to condition new or top-off water.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/salt-mixes\"\u003eSalt mixes\u003c\/a\u003e for premixing saltwater at home.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/rodi-systems-reverse-osmosis\"\u003eRO\/DI systems \u0026amp; water\u003c\/a\u003e for pure source water.\u003c\/li\u003e\n\u003cli\u003eBrowse all \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/maintenance-water-care\"\u003emaintenance \u0026amp; water care\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat can I carry in it?\u003c\/strong\u003e\u003cbr\u003eAny aquarium water. It is designed for RO water, DI water, and premixed saltwater, and works for both freshwater and reef tanks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it really fold flat?\u003c\/strong\u003e\u003cbr\u003eYes. When empty it collapses flat, so it takes up far less space than a rigid 5-gallon jug or bucket.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it durable?\u003c\/strong\u003e\u003cbr\u003eSeachem rates it to survive a drop of up to 3 meters (about 10 feet) while full, so it holds up to regular trips to and from the store.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich size should I get?\u003c\/strong\u003e\u003cbr\u003eThe 2.5 gallon is easy to carry one-handed and great for nano and small tanks. The 5 gallon suits larger tanks and bigger water changes.\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"2.5 Gallon","offer_id":48917972811995,"sku":"3118","price":9.61,"currency_code":"USD","in_stock":true},{"title":"5 Gallon","offer_id":48917972844763,"sku":"3113","price":13.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/image_cd99a5cf-8802-4722-99de-fe52e47f6c4b.png?v=1782758805"},{"product_id":"10-inch-clear-refillable-rodi-filter-cartridge","title":"10 inch Clear Refillable RO\/DI Filter Cartridge","description":"\u003cp style=\"margin:0 0 12px;line-height:1.6;\"\u003eThis \u003cstrong\u003e10 inch clear refillable filter cartridge\u003c\/strong\u003e lets you build your own custom RO\/DI or reactor stage instead of buying throwaway cartridges. The transparent housing lets you see your media at a glance, and the screw-off bottom pops open so you can pour in whatever you need, carbon, GFO, DI resin, or mixed media, then reuse it again and again. It drops into any standard 10 inch filter housing. Pair it with your \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/filter-media-cartridges\"\u003efilter media\u003c\/a\u003e and \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/maintenance-water-care\"\u003ewater care\u003c\/a\u003e supplies.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRefillable and reusable:\u003c\/strong\u003e the screw-off bottom lets you swap media as often as you like, no more tossing spent cartridges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClear housing:\u003c\/strong\u003e see how much media you have left and watch for channeling or exhaustion at a glance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFill it your way:\u003c\/strong\u003e load it with carbon, GFO, DI resin, phosphate remover, or any loose media your system needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 10 inch fit:\u003c\/strong\u003e works in common 10 inch RO\/DI housings and canister slots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSaves money and waste:\u003c\/strong\u003e buy media in bulk and refill instead of paying for pre-packed cartridges.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eGood For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRO\/DI water purification systems (DI or media stage)\u003c\/li\u003e\n\u003cli\u003eChemical media reactors and hang-on filters that take a 10 inch cartridge\u003c\/li\u003e\n\u003cli\u003eAnyone who buys carbon, GFO, or resin in bulk and wants to refill their own cartridges\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e 10 inch standard cartridge\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHousing:\u003c\/strong\u003e Clear, refillable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBottom:\u003c\/strong\u003e Screw-off cap for filling and rinsing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedia:\u003c\/strong\u003e Not included, fill with your choice\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits:\u003c\/strong\u003e Standard 10 inch filter housings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 8px;line-height:1.6;\"\u003e\u003cstrong\u003eDoes it come with media?\u003c\/strong\u003e No. This is an empty refillable cartridge, so you can fill it with exactly the media your system needs and top it off from bulk.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 8px;line-height:1.6;\"\u003e\u003cstrong\u003eWhat can I put in it?\u003c\/strong\u003e Any loose filter media that suits a 10 inch cartridge, such as activated carbon, GFO, DI resin, or a custom blend.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 8px;line-height:1.6;\"\u003e\u003cstrong\u003eWill it fit my system?\u003c\/strong\u003e It is sized for standard 10 inch filter housings. Check that your housing accepts a standard 10 inch cartridge before ordering.\u003c\/p\u003e","brand":"Squeaky's Aquatics","offers":[{"title":"Default Title","offer_id":49127297056987,"sku":"RF90850","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/RF90850-2.png?v=1786480796"},{"product_id":"dow-filmtec-ro-membrane","title":"Dow Filmtec RO Membrane","description":"\u003cp\u003eA genuine DOW Filmtec reverse osmosis membrane, the element most aquarium RO and RO\/DI systems are built around. It strips chlorine byproducts, heavy metals, silicates, phosphates and other dissolved solids out of your tap water, and clean RO\/DI water is the foundation of a healthy reef or planted tank. Both sizes here are the standard 1.8 x 12 inch element that drops into most housings. Round out your water room with the rest of our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/maintenance-water-care\"\u003ewater care gear\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eChoose Your Output\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;max-width:680px;font-size:0.95em;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;background:#f5f5f5;text-align:left;\"\u003e \u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;background:#f5f5f5;text-align:left;\"\u003e75 GPD\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;background:#f5f5f5;text-align:left;\"\u003e100 GPD\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eBW60-1812-75\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eTW30-1812-100HR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e75 gallons per day at 50 PSI\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e100 gallons per day at 50 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eRejection rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e98%\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e98%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eFlow restrictor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eAbout 550 ml\/min\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eAbout 800 ml\/min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eBest for\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eMost systems as shipped, and lower feed pressure\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eFilling faster, larger water demands\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003ePick by how much water you go through, not by tank size. The 75 GPD element is what most RO\/DI systems ship with, so it is the straight swap if you are replacing what came in your unit. The 100 GPD fills faster if you are mixing a lot of salt water or topping off a big system, as long as your feed pressure and flow restrictor keep up.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eWhy This Membrane\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine DOW Filmtec, made in the USA, the element most aquarium systems are built around\u003c\/li\u003e\n\u003cli\u003eThin-film composite (TFC), ANSI\/NSF Standard 58 listed\u003c\/li\u003e\n\u003cli\u003eStandard 1.8 x 12 inch size fits most RO and RO\/DI housings regardless of brand\u003c\/li\u003e\n\u003cli\u003eRemoves chlorine byproducts, heavy metals, silicates, phosphates and dissolved solids for pure top-off and salt-mixing water\u003c\/li\u003e\n\u003cli\u003eShipped dry, so it stores well until you need it\u003c\/li\u003e\n\u003cli\u003eThe 75 GPD model BW60-1812-75 is DOW's replacement for the older TW30-1812-75 and fits the same systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eInstall and Use Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMatch the flow restrictor to the membrane.\u003c\/strong\u003e Running a 75 GPD element behind an 800 ml\/min restrictor, or the reverse, costs you either water quality or output.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlush it first.\u003c\/strong\u003e New membranes carry a factory preservative, so run the system and discard the first hour of water before you store or use any of it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeed pressure matters.\u003c\/strong\u003e These are rated at 50 PSI and do best between 50 and 80. A booster pump is worth it if your house pressure is low.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtect it.\u003c\/strong\u003e Fresh sediment and carbon prefilters are what make a membrane last. Chlorine in municipal water destroys a TFC membrane, so never run one without carbon in front of it.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;max-width:680px;font-size:0.95em;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eDOW Filmtec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eModels\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eBW60-1812-75 (75 GPD), TW30-1812-100HR (100 GPD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eElement size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eAbout 1.8 x 12 in, fits standard housings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eMembrane type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eTFC thin-film composite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eOperating pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e50 to 80 PSI, rated at 50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eANSI\/NSF Standard 58 listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eMade in USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eRated at\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e250 ppm softened tap water, 77°F, 50 PSI, 15% recovery. Output on an individual element can vary by about 20%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWill it fit my system?\u003c\/strong\u003e\u003cbr\u003eYes for most standard RO and RO\/DI systems that use a 1.8 x 12 inch membrane, whatever brand the unit is. Check the flow restrictor matches the output you pick.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich one should I buy?\u003c\/strong\u003e\u003cbr\u003eIf you are replacing the membrane your system came with, the 75 GPD is usually the direct match. Step up to the 100 GPD if you want to fill faster and your pressure supports it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMy old membrane says TW30-1812-75. Is this the same thing?\u003c\/strong\u003e\u003cbr\u003eYes. DOW replaced the TW30-1812-75 with the BW60-1812-75. It is the same 75 GPD element in the same housing size.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does a membrane last?\u003c\/strong\u003e\u003cbr\u003eTypically 2 to 3 years with good prefilters, depending on your source water and how much water you make. Watch your TDS: when the rejection rate drops off, it is time.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFreshwater or saltwater?\u003c\/strong\u003e\u003cbr\u003eBoth. RO\/DI water is ideal for reef, marine and planted freshwater tanks alike.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need to flush it first?\u003c\/strong\u003e\u003cbr\u003eYes. Discard the first hour of production to rinse off the factory preservative before you store or use the water.\u003c\/p\u003e","brand":"Dow Filmtec","offers":[{"title":"75 GPD","offer_id":50529119961307,"sku":"BW60-1812-75","price":43.99,"currency_code":"USD","in_stock":true},{"title":"100 GPD","offer_id":49162842800347,"sku":"TW30-1812-100HR","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/200133-dow_filmtec-romembrane-100gpd-filtration-fr.jpg?v=1787239341"},{"product_id":"hm-digital-trm-1-triple-inline-tds-meter","title":"HM Digital TRM-1 Triple Inline TDS Meter","description":"\u003cp\u003eThe \u003cstrong\u003eHM Digital TRM-1 Triple Inline TDS Meter\u003c\/strong\u003e is the gauge cluster for your RO\/DI system. Three inline probes read total dissolved solids at three points at once, typically your source water, after the RO membrane, and after the DI stage, so you can see exactly how each stage is performing and know the moment a membrane or DI resin is spent. Running RO\/DI without a TDS meter is guesswork; this one takes the guessing out. It fits any system, including our \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-4stage-rodi-100gpd\"\u003eIceCap 4-Stage RO\/DI units\u003c\/a\u003e, and pairs with an \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/brs-adjustable-ro-float-valve\"\u003eRO float valve\u003c\/a\u003e for a hands-off water station.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:16px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eWhy Three Readings Matter\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSource water.\u003c\/strong\u003e Shows what your tap is starting at and how hard the membrane has to work.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAfter the membrane.\u003c\/strong\u003e A rising number here means the RO membrane is wearing out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAfter DI.\u003c\/strong\u003e Anything above 0 ppm means the DI resin is exhausted and needs changing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:16px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree inline sensors\u003c\/strong\u003e with a single digital display, no more pulling samples with a handheld.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual range, 0 to 9990 ppm.\u003c\/strong\u003e 1 ppm resolution to 999 ppm; 10 ppm resolution above that with an x10 indicator.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory calibrated\u003c\/strong\u003e with a 342 ppm NaCl solution and accurate to within 2 percent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto-off\u003c\/strong\u003e after 10 minutes of non-use to save the batteries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEverything included.\u003c\/strong\u003e Three 1\/4 inch quick-connect tees with double o-rings and two LR44 batteries in the box.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:16px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eInstallation\u003c\/h3\u003e\n\u003cp\u003eCut the 1\/4 inch line at each point you want to monitor and press the tubing into the included quick-connect tees. Mount the display where you can see it, connect the three sensor leads, and you are done. No calibration needed out of the box.\u003c\/p\u003e\n\n\u003ch3 style=\"margin:16px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;margin:8px 0;font-size:0.95em;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eBrand \/ model\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eHM Digital TRM-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eRange\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e0 to 9990 ppm (dual range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e1 ppm to 999 ppm; 10 ppm from 1000 to 9990 ppm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003ePlus or minus 2 percent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eConversion factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eNaCl (avg. 0.5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eSensors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e3 inline, 24.5 in cable including sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eFittings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eThree 1\/4 in quick-connect tees, double o-ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e2 x 1.5V LR44 button cells (included); auto-off 10 min\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eDisplay size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e3 x 0.8 x 1.9 in (7.6 x 2 x 4.7 cm), 2.8 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003e\u003cstrong\u003eWater type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eFreshwater and saltwater RO\/DI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3 style=\"margin:16px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-4stage-rodi-75gpd\"\u003eIceCap 4-Stage RO\/DI 75 GPD\u003c\/a\u003e, \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-4stage-rodi-100gpd\"\u003e100 GPD\u003c\/a\u003e, or \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-4stage-rodi-150gpd\"\u003e150 GPD\u003c\/a\u003e systems\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/brs-adjustable-ro-float-valve\"\u003eAdjustable RO Float Valve\u003c\/a\u003e to stop the fill automatically\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/autoaqua-titanium-s2-inline-tds-meter-rodi-monitor\"\u003eAutoAqua Titanium S2 Inline TDS Meter\u003c\/a\u003e if you only need a single reading\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3 style=\"margin:16px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhere do I install the three sensors?\u003c\/strong\u003e The usual setup is source water in, after the RO membrane, and after the DI resin. That shows you the whole system at a glance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat TDS should I see after DI?\u003c\/strong\u003e 0 ppm. Once it starts creeping up, swap the DI resin.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it need calibrating?\u003c\/strong\u003e No. It ships factory calibrated and holds its calibration in normal use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it fit my tubing?\u003c\/strong\u003e It uses standard 1\/4 inch quick-connect tees, which match nearly every home RO\/DI system.\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":49274071417051,"sku":"200219","price":46.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/200219-tdsmetertripleinlinetrm-1-b_1.jpg?v=1789052160"},{"product_id":"hm-digital-tds-3-handheld-tds-meter","title":"HM Digital TDS-3 Handheld TDS Meter with Carrying Case","description":"\u003cp\u003eThe \u003cstrong\u003eHM Digital TDS-3\u003c\/strong\u003e is the classic pocket TDS meter: dip it, wait a moment, and read your water's total dissolved solids from 0 to 9990 ppm on a clear digital display, with a built-in thermometer and automatic temperature compensation. It is the fastest way to check that your RO\/DI unit is still making 0 ppm water, to know when the DI resin is spent, and to compare tap water before and after filtration. Every meter ships factory calibrated with a black vinyl carrying case and belt clip. It pairs naturally with our \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-4stage-rodi-75gpd\"\u003eRO\/DI systems\u003c\/a\u003e and the rest of our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003ewater testing kits\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eWhy Test TDS\u003c\/h3\u003e\n\u003cp\u003eTotal dissolved solids is the quickest health check for purified water. Fresh RO\/DI water should read 0 ppm; once the number starts climbing, the DI resin is exhausted and the water is carrying minerals, silicates and other dissolved solids into your tank. A ten-second reading tells you whether to trust the water you are about to use for top-off, salt mixing or water changes.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide range:\u003c\/strong\u003e 0 to 9990 ppm, with 1 ppm resolution up to 999 ppm and 10 ppm resolution above that (the display shows an x10 icon).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate and compensated:\u003c\/strong\u003e plus or minus 2% accuracy with automatic temperature compensation from 1 to 50 degrees C, so a cold sample and a warm sample read the same.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in thermometer:\u003c\/strong\u003e a second button switches the display to water temperature in 0.1 degree C steps.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHold function:\u003c\/strong\u003e lock the reading on screen so you can pull the meter out of a reservoir or filter housing and read it in good light.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAuto shut-off:\u003c\/strong\u003e powers down after 10 minutes to protect the two included LR44 button cells.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady out of the box:\u003c\/strong\u003e factory calibrated with a 342 ppm NaCl solution, no calibration fluid or storage solution needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarrying case with belt clip:\u003c\/strong\u003e the vinyl case keeps the probe protected in a fish-room drawer or on your belt.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eRemove the cap and press ON.\u003c\/li\u003e\n\u003cli\u003eDip the probe into the sample no deeper than the maximum immersion line and stir gently to shake off air bubbles.\u003c\/li\u003e\n\u003cli\u003eWait for the reading to settle, then press HOLD to freeze it if you need to lift the meter out to read it.\u003c\/li\u003e\n\u003cli\u003ePress TEMP to check the water temperature. Rinse the probe with clean water, shake it dry and replace the cap.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;max-width:640px;font-size:0.95em;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eHM Digital TDS-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eTDS range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e0 to 9990 ppm (mg\/L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e1 ppm (0 to 999 ppm), 10 ppm (1000 to 9990 ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e±2% (0 to 5000 ppm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eTemperature range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e0 to 80 degrees C, 0.1 degree resolution (Celsius only)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eTemperature compensation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eAutomatic, 1 to 50 degrees C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eEC to TDS factor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eNaCl (average 0.5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eFunctions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eHold, temperature, auto-off after 10 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e2 x 1.5 V LR44 button cells (included), about 1000 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e6.1 x 1.25 x 1 in (15.5 x 3.1 x 2.3 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e2.7 oz with case, 2 oz without\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eCalibration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eFactory calibrated with 342 ppm NaCl solution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003e\u003cstrong\u003eWater type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;vertical-align:top;\"\u003eFreshwater, tap and RO\/DI water (see FAQ for saltwater)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHM Digital TDS-3 handheld TDS meter\u003c\/li\u003e\n\u003cli\u003eBlack vinyl carrying case with belt clip\u003c\/li\u003e\n\u003cli\u003e2 x LR44 button cell batteries (installed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-4stage-rodi-75gpd\"\u003eRO\/DI systems\u003c\/a\u003e, the water this meter is made to check\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/dow-filmtec-100-gpd-ro-membrane\"\u003eDow Filmtec RO membrane\u003c\/a\u003e, when the post-membrane reading starts to climb\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hm-digital-trm-1-triple-inline-tds-meter\"\u003eHM Digital TRM-1 Triple Inline TDS Meter\u003c\/a\u003e, for a permanent readout on every stage of your RO\/DI\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/squeakys-aquatics-adjustable-ro-float-valve\"\u003eAdjustable RO float valve\u003c\/a\u003e, to automate your RO\/DI reservoir\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/saltwater-refractometer-with-calibration-fluid-bundle\"\u003eRefractometer\u003c\/a\u003e, for measuring salinity in saltwater tanks\u003c\/li\u003e\n\u003cli\u003eMore \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003ewater testing kits\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan I measure my saltwater tank with it?\u003c\/strong\u003e No. Natural seawater is around 35,000 ppm, far beyond the 9990 ppm range, so the TDS-3 is for freshwater, tap, top-off and RO\/DI water. Use a \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/saltwater-refractometer-with-calibration-fluid-bundle\"\u003erefractometer\u003c\/a\u003e for salinity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat should my RO\/DI water read?\u003c\/strong\u003e 0 ppm out of the DI stage. When it reads 1 to 2 ppm or more, the resin is exhausted and it is time to change it. Checking the water after the membrane but before the DI tells you how hard the resin is working.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it need calibration?\u003c\/strong\u003e It arrives factory calibrated and holds calibration well. If you want to verify it, HM Digital calibration solution and a small screwdriver adjust it in seconds.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I leave it in the water?\u003c\/strong\u003e No. Dip it only to the immersion line, take the reading and rinse it off. It is not designed to be submerged or left in a reservoir.\u003c\/p\u003e","brand":"HM Digital","offers":[{"title":"Default Title","offer_id":49314736505051,"sku":"TDS-3","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/200034-TDS-Meter-Handheld-TDS-3-a_1.jpg?v=1789557190"},{"product_id":"air-water-ice-color-changing-di-resin-cartridge-10-inch","title":"Air Water Ice 10 inch Color Changing DI Resin Cartridge","description":"\u003cstyle\u003e\n.aq-pd{font-family:Georgia,serif;color:#1a1a1a;max-width:860px;margin:0 auto;line-height:1.7;}\n.aq-pd h2{font-size:1.45em;font-weight:700;letter-spacing:-0.01em;border-left:4px solid #666;padding-left:12px;margin:2em 0 0.6em;}\n.aq-pd p{margin:0.5em 0 1em;}\n.aq-callout{background:#1a1a1a;color:#fff;border-radius:4px;padding:16px 20px;margin:1.6em 0;font-family:Arial,sans-serif;font-size:0.93em;line-height:1.6;}\n.aq-callout strong{color:#f5c518;}\n.aq-warn{background:#fff8e1;border-left:4px solid #b8860b;padding:12px 16px;margin:1.4em 0;font-family:Arial,sans-serif;font-size:0.88em;line-height:1.6;}\n.aq-features{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px;margin:1em 0 1.6em;}\n.aq-feature-card{background:#f4f4f4;border-radius:4px;padding:14px 16px;border-left:3px solid #666;font-family:Arial,sans-serif;font-size:0.9em;}\n.aq-feature-card strong{display:block;margin-bottom:3px;color:#1a1a1a;}\n.aq-feature-card span{color:#555;}\n.aq-specs-table{width:100%;border-collapse:collapse;margin-top:1em;font-family:Arial,sans-serif;font-size:0.93em;}\n.aq-specs-table th{background:#1a1a1a;color:#fff;text-align:left;padding:9px 14px;font-weight:600;letter-spacing:0.04em;text-transform:uppercase;font-size:0.82em;}\n.aq-specs-table td{padding:8px 14px;border-bottom:1px solid #e5e5e5;vertical-align:top;}\n.aq-specs-table tr:nth-child(even) td{background:#f9f9f9;}\n.aq-specs-table td:first-child{font-weight:600;width:42%;color:#444;}\n.aq-note{font-family:Arial,sans-serif;font-size:0.82em;color:#777;font-style:italic;}\n\u003c\/style\u003e\n\n\u003cdiv class=\"aq-pd\"\u003e\n\n\u003cp\u003eA standard \u003cstrong\u003e10 inch deionization cartridge\u003c\/strong\u003e packed with colour changing mixed bed resin, and the final stage that takes RO water the rest of the way to \u003cstrong\u003ezero TDS\u003c\/strong\u003e. The resin starts blue and turns amber as it exhausts, so you can see how much life is left instead of guessing. Browse our other \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/rodi-systems-reverse-osmosis\"\u003eRODI systems and parts\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003cdiv class=\"aq-callout\"\u003e\n\u003cstrong\u003eYou can see when it is spent.\u003c\/strong\u003e The anion half of this resin carries a permanent pH indicator dye that shifts from blue to amber as capacity is used up. Watch the colour front travel down a clear housing and change the cartridge when it reaches the bottom.\n\u003c\/div\u003e\n\n\u003ch2\u003eHow Colour Changing DI Works\u003c\/h2\u003e\n\u003cp\u003eReverse osmosis gets you most of the way, but the last traces of dissolved solids need ion exchange. This cartridge holds \u003cstrong\u003e1.25 lb of ResinTech MBD-30\u003c\/strong\u003e, a 1:1 volumetric mixture of CG8-H, an amber hydrogen form cation resin, and SBG1P-OH-ID, a dyed hydroxide form type 1 porous strong base anion resin. The anion component is infused with a permanent indicator dye, so as the bed exhausts it moves from blue toward amber, top to bottom, in the direction the water flows.\u003c\/p\u003e\n\u003cp\u003eResinTech rates MBD-30 to deliver demineralized water with a resistivity \u003cstrong\u003ein excess of 18.3 megohm\u003c\/strong\u003e. For a reef tank that means RO\/DI water with nothing left in it to feed nuisance algae or push your parameters around.\u003c\/p\u003e\n\n\u003cdiv class=\"aq-warn\"\u003e\n\u003cstrong\u003eUse it in a clear housing.\u003c\/strong\u003e Colour changing resin only helps if you can see it. These cartridges are designed for see-through housings, and the convention is a safety line near the outlet end: once the colour change reaches that level, the cartridge is considered exhausted and gets swapped. In an opaque housing you are back to relying on a TDS meter, which is worth running either way.\n\u003c\/div\u003e\n\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cdiv class=\"aq-features\"\u003e\n\u003cdiv class=\"aq-feature-card\"\u003e\n\u003cstrong\u003eVisual Exhaustion Indicator\u003c\/strong\u003e\u003cspan\u003eBlue to amber as the bed is used up, with no meter required to see it coming.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aq-feature-card\"\u003e\n\u003cstrong\u003eResinTech MBD-30\u003c\/strong\u003e\u003cspan\u003eNuclear grade mixed bed, 50 percent anion and 50 percent cation, bought direct from the manufacturer.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aq-feature-card\"\u003e\n\u003cstrong\u003e1.25 lb of Resin\u003c\/strong\u003e\u003cspan\u003ePacked into a standard 10 inch cartridge body.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aq-feature-card\"\u003e\n\u003cstrong\u003e18.3 Megohm Capable\u003c\/strong\u003e\u003cspan\u003eResinTech rates the resin to produce water in excess of 18.3 megohm resistivity.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aq-feature-card\"\u003e\n\u003cstrong\u003eRefillable Body\u003c\/strong\u003e\u003cspan\u003eThe 10 inch cartridge can be refilled with bulk resin rather than replaced.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"aq-feature-card\"\u003e\n\u003cstrong\u003ePacked Fresh\u003c\/strong\u003e\u003cspan\u003eAir Water Ice receives resin from the manufacturer quarterly, stores it climate controlled, and packs cartridges the day they ship.\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable class=\"aq-specs-table\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFormat\u003c\/td\u003e\n\u003ctd\u003eStandard 10 inch cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e9 7\/8 in x 2.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResin\u003c\/td\u003e\n\u003ctd\u003eResinTech MBD-30 colour changing mixed bed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComposition\u003c\/td\u003e\n\u003ctd\u003e1:1 by volume, CG8-H cation and SBG1P-OH-ID anion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResin charge\u003c\/td\u003e\n\u003ctd\u003e1.25 lb per cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColour change\u003c\/td\u003e\n\u003ctd\u003eBlue when fresh, amber when exhausting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCapacity rating\u003c\/td\u003e\n\u003ctd\u003e6,800 ppm TDS per 10 inch cartridge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum holding capacity\u003c\/td\u003e\n\u003ctd\u003e3,000 ppm TDS across almost all water profiles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResistivity\u003c\/td\u003e\n\u003ctd\u003eRated in excess of 18.3 megohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefillable\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHousing\u003c\/td\u003e\n\u003ctd\u003eIntended for clear, see-through housings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"aq-note\"\u003eCapacity in real use depends on your source water. The ppm TDS rating is a total load figure, so the higher the TDS reaching the DI stage, the sooner the colour front moves.\u003c\/p\u003e\n\n\u003ch2\u003eGet the Most From It\u003c\/h2\u003e\n\u003cp\u003eDI resin is the most expensive stage in an RO\/DI unit per gallon, so it pays to protect it. Keep the sediment and carbon stages on schedule, replace the RO membrane when its rejection rate drops, and the DI will last considerably longer. If your DI is exhausting quickly, the membrane is usually the reason rather than the resin.\u003c\/p\u003e\n\n\u003ch2\u003ePairs With\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/dow-filmtec-ro-membrane\"\u003eDow Filmtec RO membranes\u003c\/a\u003e, the stage that determines how hard your DI has to work\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hm-digital-trm-1-triple-inline-tds-meter\"\u003eHM Digital TRM-1 triple inline TDS meter\u003c\/a\u003e or the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hm-digital-tds-3-handheld-tds-meter\"\u003ehandheld TDS-3\u003c\/a\u003e to confirm zero\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/10-inch-clear-refillable-rodi-filter-cartridge\"\u003e10 inch clear refillable cartridge\u003c\/a\u003e if you would rather refill from bulk resin\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/rodi-systems-reverse-osmosis\"\u003eRODI systems and replacement filters\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow long will one cartridge last?\u003c\/strong\u003e\u003cbr\u003eIt depends entirely on what reaches it. The resin is rated at 6,800 ppm TDS of total load, with a minimum 3,000 ppm across most water profiles, so a low TDS feed from a healthy membrane stretches it a long way and a failing membrane burns through it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat do the colours mean?\u003c\/strong\u003e\u003cbr\u003eBlue is fresh capacity. Amber is exhausted. The change travels in the direction of flow, so watch the outlet end and swap the cartridge when the colour reaches it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work in a non-clear housing?\u003c\/strong\u003e\u003cbr\u003eIt filters exactly the same, you just lose the benefit of seeing it. If your housing is opaque, run an inline TDS meter and change on the reading instead.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I refill it instead of replacing it?\u003c\/strong\u003e\u003cbr\u003eYes, the 10 inch body is refillable. Bulk colour changing resin is sold separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this the same as separate anion and cation cartridges?\u003c\/strong\u003e\u003cbr\u003eNo. This is a mixed bed, both resins blended in one cartridge, which is the usual single stage DI setup. Separate anion and cation cartridges are a different, more specialised arrangement.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need DI at all if I have RO?\u003c\/strong\u003e\u003cbr\u003eFor a reef tank, generally yes. RO alone typically leaves some TDS behind, and DI is what takes the last of it out to zero.\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"Air Water Ice","offers":[{"title":"Default Title","offer_id":50599096713435,"sku":"DICC-MixedBed-10","price":26.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/dicc-cart_9d725afd-0a42-49c3-9009-66e136cc1538.jpg?v=1791461454"},{"product_id":"air-water-ice-typhoon-iii-100-gpd-rodi-system","title":"Air Water Ice Typhoon III 5-Stage RO\/DI System 100 GPD","description":"\u003cdiv style=\"background:#F2F2F2;border-left:4px solid #666;padding:10px 14px;margin:0 0 14px;font-size:0.95em;\"\u003e\u003cstrong\u003eIn-store pickup only.\u003c\/strong\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eAir Water Ice Typhoon III 5-Stage RO\/DI System\u003c\/strong\u003e makes high-purity, zero-TDS water for reef aquariums, freshwater tanks, and laboratory use. This exact 100 GPD configuration includes a garden-hose supply adapter and upgraded catalytic carbon for stronger chloramine treatment.\u003c\/p\u003e\n\u003cp\u003eBuilding a complete water-preparation setup? Browse our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003ewater testing\u003c\/a\u003e and \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/filter-media-cartridges\"\u003ereplacement filter media\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eWhy Choose the Typhoon III?\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFive-stage purification:\u003c\/strong\u003e sediment, catalytic carbon, carbon block, reverse osmosis, and color-changing DI resin.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 GPD Dow Filmtec membrane:\u003c\/strong\u003e rated for about 4 gallons per hour under ideal feed-water conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalytic-carbon upgrade:\u003c\/strong\u003e designed to improve removal of chloramine as well as chlorine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eZero-TDS polishing:\u003c\/strong\u003e a full-size refillable DI cartridge finishes the water after the RO membrane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUseful controls included:\u003c\/strong\u003e automatic shutoff valve, fast-flush flow restrictor, DI bypass, clear housings, and handheld TDS meter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady to install:\u003c\/strong\u003e arrives assembled with a garden-hose adapter, tubing, drain saddle, valves, housing wrench, and instructions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eHow the Five Stages Work\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003e10-micron sediment filter\u003c\/strong\u003e catches rust, sand, and larger particles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCatalytic-carbon cartridge\u003c\/strong\u003e targets chlorine, chloramine, and organic compounds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e1-micron carbon block\u003c\/strong\u003e provides additional chemical and chlorine reduction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100 GPD Dow Filmtec RO membrane\u003c\/strong\u003e removes the great majority of dissolved solids.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor-changing mixed-bed DI resin\u003c\/strong\u003e polishes RO water to zero TDS.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eIncluded Configuration\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGarden-hose water supply adapter\u003c\/li\u003e\n\u003cli\u003eUpgraded catalytic-carbon cartridge\u003c\/li\u003e\n\u003cli\u003e100 GPD Dow Filmtec membrane\u003c\/li\u003e\n\u003cli\u003eAutomatic shutoff valve and fast-flush flow restrictor\u003c\/li\u003e\n\u003cli\u003eDI bypass with auxiliary RO port\u003c\/li\u003e\n\u003cli\u003eHandheld TDS meter\u003c\/li\u003e\n\u003cli\u003e24 feet of 1\/4-inch RO tubing\u003c\/li\u003e\n\u003cli\u003eTwo inline ball valves, drain saddle, housing wrench, and installation guide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003eAir Water Ice\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003eTyphoon III ReefKeeper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003eFiltration stages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003eMembrane\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e100 GPD Dow Filmtec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003eNominal production\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003eUp to 100 gallons per day, about 4 gallons per hour\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003eWater connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003eGarden-hose adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003eCarbon stage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003eCatalytic carbon upgrade plus 1-micron carbon block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e21 in W × 5.5 in D × 15 in H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e18 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003eCountry of origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003eUse\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003eFreshwater, saltwater, reef, and laboratory water preparation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003e\u003cstrong\u003eAvailability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ccc;padding:8px;\"\u003eIn-store pickup only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/dow-filmtec-ro-membrane\"\u003eDow Filmtec RO Membrane\u003c\/a\u003e for future membrane replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/filter-media-cartridges\"\u003eRO\/DI filter media and cartridges\u003c\/a\u003e for scheduled maintenance\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/water-testing\"\u003eWater testing equipment\u003c\/a\u003e to monitor source, RO, and product-water TDS\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-4stage-rodi-100gpd\"\u003eIceCap 4-Stage RO\/DI System 100 GPD\u003c\/a\u003e as a compact alternative\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs this the catalytic-carbon version?\u003c\/strong\u003e\u003cbr\u003eYes. This listing is specifically for the catalytic-carbon upgrade with the 100 GPD Dow Filmtec membrane and garden-hose adapter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill it make exactly 100 gallons every day?\u003c\/strong\u003e\u003cbr\u003e100 GPD is the membrane's nominal rating. Actual output varies with water pressure, temperature, source-water TDS, and filter condition.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it produce zero-TDS water?\u003c\/strong\u003e\u003cbr\u003eThe DI stage is designed to polish properly functioning RO water to zero TDS. Use the included meter to monitor performance and replace media when readings rise.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow often should the filters be changed?\u003c\/strong\u003e\u003cbr\u003ePrefilter life depends on source-water quality and use. Inspect the sediment and DI stages, monitor TDS, and replace cartridges when pressure, chlorine removal, or product-water quality declines.\u003c\/p\u003e","brand":"Air Water Ice","offers":[{"title":"Default Title","offer_id":50599124074715,"sku":"1TYPHOONIII","price":220.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/TYPHOON-3-MAIN-PIC-1_750x_1_4f4ad894-8c03-456d-81c0-76f94a7256e4.jpg?v=1791463275"},{"product_id":"aquatic-life-classic-sediment-carbon-plus-filtration-unit","title":"Aquatic Life Classic Sediment \u0026 Carbon Plus Filtration Unit","description":"\u003cdiv style=\"font-family:Georgia,serif;color:#1a1a1a;max-width:860px;line-height:1.7;\"\u003e\n\u003cdiv style=\"background:#E0F7FA;border-left:4px solid #006064;padding:10px 14px;margin:0 0 14px;font-size:0.95em;\"\u003e\n\u003cstrong\u003eSpecial order item.\u003c\/strong\u003e We bring this in from Aquatic Life's distributor once you place your order, so please allow a little extra lead time.\u003c\/div\u003e\n\u003cp\u003eThe \u003cstrong\u003eAquatic Life Classic Sediment \u0026amp; Carbon Plus Filtration Unit\u003c\/strong\u003e is a compact two-stage system that removes sediment and reduces chlorine and chloramine before the water reaches your aquarium or RO\/DI system. It is a practical first step for cleaner freshwater aquarium water and an effective pretreatment stage that helps protect an RO membrane from disinfectants and debris.\u003c\/p\u003e\n\u003cp\u003eBuilding or upgrading a purification setup? Browse our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/rodi-systems-reverse-osmosis\"\u003eRO\/DI systems and reverse osmosis collection\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"background:#FFF8E1;border-left:4px solid #F9A825;padding:10px 14px;margin:14px 0;font-size:0.95em;\"\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e Do not operate the unit unattended or above 80 PSI. This unit reduces sediment, chlorine, and chloramine, but it does not replace an RO membrane or DI stage when zero-TDS water is required.\u003c\/div\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eWhy It Works\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-micron sediment stage:\u003c\/strong\u003e Captures dirt, sand, silt, rust, and other particulate matter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e0.5-micron Carbon Plus stage:\u003c\/strong\u003e Reduces both chlorine and chloramine before they can damage an RO membrane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh chloramine capacity:\u003c\/strong\u003e Rated for greater than 98% chloramine reduction at 3 ppm for 3,000 gallons at 0.5 GPM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh chlorine capacity:\u003c\/strong\u003e Rated for greater than 99% chlorine reduction at 2 ppm for 30,000 gallons at 0.5 GPM.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard replaceable cartridges:\u003c\/strong\u003e Uses serviceable sediment and Carbon Plus cartridges inside full-size canister housings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlexible installation:\u003c\/strong\u003e Includes tubing and both straight and angled press fittings so the water path can be routed to suit the installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;max-width:640px;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e540723\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eFiltration stages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e5-micron sediment and 0.5-micron Carbon Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eRated flow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e0.5 GPM for stated chlorine and chloramine reduction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eSuggested pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e65 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eMaximum pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e80 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eOperating temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e40 to 100°F, optimal 77°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e10.75 x 6 x 16.88 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eShipping weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003eApproximately 7.1 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eUPC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e810957017231\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003e\u003cstrong\u003eAvailability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #DDD;padding:6px 10px;\"\u003eSpecial order\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDual-canister filtration unit and mounting bracket\u003c\/li\u003e\n\u003cli\u003e5-micron sediment cartridge\u003c\/li\u003e\n\u003cli\u003e0.5-micron Carbon Plus chlorine and chloramine cartridge\u003c\/li\u003e\n\u003cli\u003eTubing, straight fittings, angled fittings, and canister wrench\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eMaintenance\u003c\/h3\u003e\n\u003cp\u003eReplace the sediment cartridge every 3 to 6 months or after about 3,500 gallons. Replace the Carbon Plus cartridge after about 3,000 gallons when treating 3 ppm chloramine. Actual service life varies with local water quality, contaminant levels, pressure, and use.\u003c\/p\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/aquatic-life-mixed-bed-resin-di-cartridge\"\u003eAquatic Life Mixed Bed Resin DI Cartridge\u003c\/a\u003e for final polishing to zero TDS.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/dow-filmtec-ro-membrane\"\u003eDow Filmtec RO Membrane\u003c\/a\u003e for the reverse osmosis stage.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/hm-digital-tds-3-handheld-tds-meter\"\u003eHM Digital TDS-3 Meter\u003c\/a\u003e for checking source and purified water.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/squeakys-aquatics-adjustable-ro-float-valve\"\u003eAdjustable RO Float Valve\u003c\/a\u003e for automatic storage-container shutoff.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:14px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this unit make zero-TDS water?\u003c\/strong\u003e\u003cbr\u003eNo. It is a sediment, chlorine, and chloramine pretreatment system. Add an RO membrane and DI stage when zero-TDS aquarium water is required.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be used with chloraminated tap water?\u003c\/strong\u003e\u003cbr\u003eYes. The Carbon Plus cartridge is specifically rated to reduce chloramine as well as chlorine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it suitable for freshwater and saltwater aquariums?\u003c\/strong\u003e\u003cbr\u003eYes. It can condition source water for freshwater use and serves as a valuable pretreatment stage ahead of an RO\/DI system for reef and saltwater aquariums.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Aquatic Life","offers":[{"title":"Default Title","offer_id":50798218084571,"sku":"AL01723","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/aquatic-life-540723-hero.jpg?v=1792239114"}],"url":"https:\/\/squeakysaquatics.com\/collections\/rodi-systems-reverse-osmosis\/freshwater.oembed?page=2","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}