{"product_id":"fluval-ac30-biofoam-filter-insert","title":"Fluval AC30 BioFoam Filter Insert","description":"\u003cp\u003eThe \u003cstrong\u003eFluval AquaClear BioFoam Filter Insert\u003c\/strong\u003e is the foam block that drives the first stage of filtration in your AquaClear 30 hang-on-back filter. Its open-pore structure traps debris and waste as water flows through, and that same large surface area becomes prime real estate for the beneficial bacteria that break down ammonia and nitrite. Rinse it, reuse it, and swap it out only when it starts to wear down.\u003c\/p\u003e\n\u003cp\u003eRunning a different size AquaClear or restocking the rest of your media stack? 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 AquaClear BioFoam\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo jobs in one insert.\u003c\/strong\u003e Traps floating particles mechanically while the porous foam doubles as the primary home for your tank's nitrifying bacteria.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable, not disposable.\u003c\/strong\u003e Rinse it in old tank water and put it right back. Replace only when the foam no longer springs back or begins to crumble.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintains even flow.\u003c\/strong\u003e Cut to fit the AquaClear 30 media basket so water is pushed through the foam, not around it, keeping both filtration and flow rate consistent.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater and saltwater safe.\u003c\/strong\u003e Works in tropical, coldwater, and marine aquariums alike.\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;\"\u003eWhere It Fits in the AquaClear System\u003c\/h3\u003e\n\u003cp\u003eAquaClear power filters move water through three stages in order: the \u003cstrong\u003eBioFoam\u003c\/strong\u003e comes first for mechanical and biological filtration, followed by activated carbon for chemical filtration, then BioMax ceramic rings for extra biological capacity. A clean foam protects the media above it and keeps your filter turning over at its rated flow.\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;\"\u003eHow to Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for the \u003cstrong\u003eFluval AquaClear 30\u003c\/strong\u003e power filter (AC30, formerly sold as the AquaClear 150).\u003c\/li\u003e\n\u003cli\u003eRinse in dechlorinated or used tank water every 2 to 4 weeks. Avoid hot tap water, which kills the bacteria colony you want to keep.\u003c\/li\u003e\n\u003cli\u003eWhen it is finally time to replace the foam, do it on a different week from your other media so you never reset all of your biological filtration at once.\u003c\/li\u003e\n\u003cli\u003eAvailable as a single insert or a value 3-pack so you always have a spare on hand.\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;\"\u003eFluval AquaClear\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;\"\u003eFoam filter insert (mechanical and biological)\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;\"\u003eFluval AquaClear 30 (AC30) power filter\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;\"\u003eFunction\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eTraps debris and waste, hosts beneficial bacteria\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;\"\u003eReusable\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eYes, rinse and reuse\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 and saltwater\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;\"\u003eSingle insert or 3-pack\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;\"\u003eCountry of origin\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eItaly\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\/fluval-aquaclear-ac-series-aquarium-filters\"\u003eFluval AquaClear Power Filter\u003c\/a\u003e, the hang-on-back filter this insert is built for.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fluval-ac70-110-active-carbon-insert\"\u003eAquaClear Activated Carbon\u003c\/a\u003e for the chemical filtration stage.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fluval-ac70-110-biomax-insert\"\u003eAquaClear BioMax\u003c\/a\u003e ceramic rings for added biological media.\u003c\/li\u003e\n\u003cli\u003eRunning a bigger filter? Grab the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fluval-ac50-biofoam-filter-insert\"\u003eAC50\u003c\/a\u003e or \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fluval-ac70-biofoam-filter-insert\"\u003eAC70\u003c\/a\u003e BioFoam instead.\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\u003eHow often should I replace the BioFoam?\u003c\/strong\u003e\u003cbr\u003eRinse it every few weeks and it will last several months. Replace it once it stops springing back into shape or starts to fall apart. Because it holds your biological filtration, replace it on a separate week from the carbon and BioMax.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I just cut a larger foam to fit?\u003c\/strong\u003e\u003cbr\u003eYou can, but the AC30 insert is already sized to the AquaClear 30 basket for a proper seal and even flow, so the correct size is the easy choice.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it work in saltwater?\u003c\/strong\u003e\u003cbr\u003eYes. BioFoam is inert and safe for freshwater, brackish, and marine aquariums.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this the same as the old AquaClear foam?\u003c\/strong\u003e\u003cbr\u003eYes. Fluval BioFoam is the current name for what was formerly labeled AquaClear Foam for the same filters.\u003c\/p\u003e","brand":"Fluval","offers":[{"title":"Single","offer_id":48931449372891,"sku":"19605","price":2.99,"currency_code":"USD","in_stock":false},{"title":"3-Pack","offer_id":48931449405659,"sku":"19672","price":6.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/image_f54e9cec-18da-41a2-af71-8af40f0ebaf4.jpg?v=1782931241","url":"https:\/\/squeakysaquatics.com\/products\/fluval-ac30-biofoam-filter-insert","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}