{"product_id":"dow-filmtec-100-gpd-ro-membrane","title":"Dow Filmtec 100 GPD RO Membrane (TW30-1812-100HR)","description":"\u003cp\u003e\u003cstrong\u003eThe industry-standard 100 GPD RO membrane.\u003c\/strong\u003e This genuine DOW Filmtec TW30-1812-100HR is the most widely used 100 gallon-per-day reverse osmosis membrane in the aquarium hobby. It delivers a 98% rejection rate that strips chlorine byproducts, heavy metals, silicates, phosphates, and other dissolved solids out of your tap water. Clean RO\/DI water is the foundation of a healthy reef or planted tank, and this element is a direct fit for most standard RO and RO\/DI systems. Round out your water room with the rest of our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/maintenance-water-care\"\u003ewater care\u003c\/a\u003e gear.\u003c\/p\u003e\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 this membrane\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProduces 100 gallons per day at 50 PSI with a 98% salt rejection rate\u003c\/li\u003e\n\u003cli\u003eThe most common 100 GPD membrane in the aquarium industry, a direct replacement for most systems\u003c\/li\u003e\n\u003cli\u003eThin-film composite (TFC) element, ANSI\/NSF 58 listed\u003c\/li\u003e\n\u003cli\u003eStandard 1.8 x 12 inch size fits most RO and RO\/DI housings\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\u003c\/ul\u003e\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;width:100%;font-size:0.95em;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eDOW Filmtec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eTW30-1812-100HR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e100 GPD at 50 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eRejection rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e98%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eAbout 1.8 x 11.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eOperating pressure\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e50 to 80 PSI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eMembrane type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eTFC thin-film composite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:6px 10px;border:1px solid #ddd;\"\u003eANSI\/NSF 58 listed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\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;\"\u003eInstall and use tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMatch your flow restrictor to the membrane: a 100 GPD element uses an approximately 800 ml\/min restrictor.\u003c\/li\u003e\n\u003cli\u003eNew membranes ship with a protective preservative, so run the system and discard the first hour of water before using it.\u003c\/li\u003e\n\u003cli\u003eYou get the best output at 50 to 80 PSI; a booster pump helps if your feed pressure is low.\u003c\/li\u003e\n\u003cli\u003eProtect the membrane with fresh sediment and carbon prefilters to make it last.\u003c\/li\u003e\n\u003c\/ul\u003e\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 fit my system?\u003c\/strong\u003e Yes for most standard RO and RO\/DI systems that use a 1.8 x 12 inch membrane. You may need an 800 ml\/min flow restrictor to hit the full 100 GPD rate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow long does a membrane last?\u003c\/strong\u003e Typically 2 to 3 years with good prefilters, depending on your source water and how much you produce.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFreshwater or saltwater?\u003c\/strong\u003e Both. 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 Yes. 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":"Default Title","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","url":"https:\/\/squeakysaquatics.com\/products\/dow-filmtec-100-gpd-ro-membrane","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}