{"product_id":"marina-slim-filter-zeolite-plus-ceramic-cartridge-3-pack","title":"Marina Slim Filter Zeolite Plus Ceramic Cartridge 3 pack","description":"\u003cp\u003eThe \u003cstrong\u003eMarina Slim Filter Cartridge Bio-Clear\u003c\/strong\u003e is the ammonia-fighting replacement cartridge for your Marina Slim S10, S15, or S20 hang-on-back power filter. Each cartridge combines a polyester floss pad that traps debris with zeolite and Ceramitek ceramic media that lock up toxic ammonia and grow beneficial bacteria. The result is cleaner, clearer, lower-stress water, which makes this the ideal choice for start-up tanks and heavily stocked freshwater aquariums.\u003c\/p\u003e\n\u003cp\u003eKeeping your Marina Slim filter stocked? Browse all \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/filter-media-cartridges\"\u003efilter media and cartridges\u003c\/a\u003e at Squeaky's Aquatics.\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 Bio-Clear\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdsorbs toxic ammonia.\u003c\/strong\u003e The zeolite grabs free ammonia through ion exchange, lowering the single most dangerous parameter for your fish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReduces fish stress.\u003c\/strong\u003e Ideal for new setups, overstocked tanks, and goldfish tanks, which produce a lot of waste and benefit from extra ammonia control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-stage media in one cartridge.\u003c\/strong\u003e Floss for mechanical filtration, zeolite for chemical ammonia removal, and Ceramitek ceramic for biological filtration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater formula.\u003c\/strong\u003e Zeolite works by ion exchange, which only functions in freshwater, so Bio-Clear is made for freshwater aquariums.\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\u003cul\u003e\n\u003cli\u003eFits the \u003cstrong\u003eMarina Slim S10, S15, and S20\u003c\/strong\u003e hang-on-back power filters. Simply slide the old cartridge out and the new one in.\u003c\/li\u003e\n\u003cli\u003eRinse the cartridge under tank water before the first use to clear any loose dust.\u003c\/li\u003e\n\u003cli\u003eReplace roughly every 3 to 4 weeks, or sooner if flow slows. The zeolite becomes saturated with use, so this cartridge is replaced rather than rinsed and reused.\u003c\/li\u003e\n\u003cli\u003eGreat to keep on hand while cycling a new tank or any time an ammonia test creeps above zero.\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;margin:4px 0 8px;font-size:0.95em;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;background:#f6f6f6;font-weight:600;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eMarina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;background:#f6f6f6;font-weight:600;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eSlim filter cartridge, Bio-Clear (zeolite plus Ceramitek ceramic)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;background:#f6f6f6;font-weight:600;\"\u003eFits\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eMarina Slim S10, S15, and S20 power filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;background:#f6f6f6;font-weight:600;\"\u003eRemoves\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eDebris and toxic ammonia; supports biological filtration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;background:#f6f6f6;font-weight:600;\"\u003eWater type\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eFreshwater only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;background:#f6f6f6;font-weight:600;\"\u003eBest for\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eGoldfish and start-up tanks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;background:#f6f6f6;font-weight:600;\"\u003eSold as\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003ePack of 3 cartridges\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\u003ePrefer odor and discoloration control over ammonia? Choose the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/marina-slim-filter-carbon-plus-ceramic-cartridge-3-pack\"\u003eMarina Slim Bio-Carb cartridge\u003c\/a\u003e (carbon plus Ceramitek) instead.\u003c\/li\u003e\n\u003cli\u003eExplore more \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/filter-media-cartridges\"\u003efilter media and cartridges\u003c\/a\u003e for every hang-on-back filter we carry.\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 is the difference between Bio-Clear and Bio-Carb?\u003c\/strong\u003e\u003cbr\u003eBio-Clear uses zeolite to remove ammonia and is freshwater only, ideal for goldfish and new tanks. Bio-Carb uses activated carbon to remove odors and discoloration and works in fresh or salt water. Both include Ceramitek ceramic for biological filtration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use Bio-Clear in a saltwater tank?\u003c\/strong\u003e\u003cbr\u003eNo. The zeolite removes ammonia by ion exchange, which does not work in saltwater. Use Bio-Carb for marine setups.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow often do I replace it?\u003c\/strong\u003e\u003cbr\u003eEvery 3 to 4 weeks, or sooner if flow slows. Once the zeolite is saturated it stops working, so the cartridge is replaced rather than reused.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich filters does it fit?\u003c\/strong\u003e\u003cbr\u003eThe Marina Slim S10, S15, and S20 hang-on-back power filters.\u003c\/p\u003e","brand":"Marina","offers":[{"title":"Default Title","offer_id":48927165481179,"sku":"A293","price":6.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/image_5260211f-5705-46a4-ada5-1a977242ddbe.jpg?v=1782919141","url":"https:\/\/squeakysaquatics.com\/products\/marina-slim-filter-zeolite-plus-ceramic-cartridge-3-pack","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}