{"product_id":"fluval-u-clean-clear-cartridge","title":"Fluval U Clean \u0026 Clear Cartridge","description":"\u003cp\u003eMaintain a pristine, crystal-clear aquatic environment with the \u003cb\u003eFluval U Clean \u0026amp; Clear Cartridge\u003c\/b\u003e. Specially designed for the entire Fluval U Internal Filter series (U1, U2, U3, and U4), these compact cartridges are packed with high-performance chemical resin that targets and traps key pollutants. By actively controlling nitrate and phosphate levels—the two primary drivers of green water and nuisance algae—this media stabilizes water parameters, reduces maintenance frequency, and protects delicate fish from toxic spikes.\u003c\/p\u003e\n\u003ch3\u003eQuick Reference \u0026amp; Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRequirement \/ Specification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eProduct Volume \/ Quantity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 Cartridges per pack\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eFilter Compatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFluval U1, U2, U3, and U4 Internal Underwater Filters\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003ePrimary Active Media\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh-performance nitrate and phosphate-reducing resins\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eWater Type Suitability\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFreshwater and Saltwater aquariums\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eReplacement Schedule\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eReplace every 2 to 4 weeks (depending on bio-load)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Fluval","offers":[{"title":"Default Title","offer_id":56414801756500,"sku":"A499","price":6.48,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1052\/5828\/7444\/files\/A499_packaging.jpg?v=1785399161","url":"https:\/\/www.tropicalmarineaquatic.com\/products\/fluval-u-clean-clear-cartridge","provider":"Tropical Marine Aquatic","version":"1.0","type":"link"}