{"product_id":"fluval-ac110-biofoam-filter-insert","title":"Fluval AC110 BioFoam Filter Insert","description":"\u003cstyle\u003e\n.bf{font-size:0.98em;line-height:1.5;}\n.bf h3{margin:16px 0 4px;font-size:1.05em;font-weight:600;line-height:1.25;border-left:4px solid #666;padding-left:8px;}\n.bf-cross{margin:0 0 14px;}\n.bf ul{margin:6px 0;padding-left:20px;}\n.bf li{margin:4px 0;}\ntable.bf-spec{border-collapse:collapse;width:100%;margin:4px 0;font-size:0.95em;}\ntable.bf-spec th,table.bf-spec td{border:1px solid #ddd;padding:6px 10px;text-align:left;}\ntable.bf-spec th{background:#f6f6f6;font-weight:600;width:42%;}\n.bf-faq summary{cursor:pointer;font-weight:600;padding:8px 0;border-bottom:1px solid #eee;}\n.bf-faq p{margin:8px 0 12px;}\n\u003c\/style\u003e\n\u003cdiv class=\"bf\"\u003e\n\u003cp\u003eThe \u003cstrong\u003eFluval AquaClear AC110 BioFoam Insert\u003c\/strong\u003e is the mechanical filtration stage for the AquaClear 110 (AC110) hang-on-back power filter. Water entering the filter passes through this foam block first, where it traps debris, uneaten food, and floating particles for clean, clear water. The porous foam also becomes home to beneficial bacteria, adding biological support to your filter. Formerly sold as AquaClear Foam. Safe for freshwater and saltwater aquariums.\u003c\/p\u003e\n\u003cp class=\"bf-cross\"\u003eThis foam is the first stage in the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fluval-aquaclear-ac-series-aquarium-filters\"\u003eFluval AquaClear AC110 filter\u003c\/a\u003e. Keep the full media stack fresh with \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fluval-ac70-110-active-carbon-insert\"\u003eActivated Carbon\u003c\/a\u003e and \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fluval-ac70-110-biomax-insert\"\u003eBioMax\u003c\/a\u003e inserts, or 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\n\u003ch3\u003eWhy the BioFoam\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical filtration.\u003c\/strong\u003e Captures suspended debris and particles as the first stage in the media basket for visibly clearer water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiological support.\u003c\/strong\u003e The open-cell foam hosts colonies of beneficial bacteria that help break down ammonia and nitrite.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect fit.\u003c\/strong\u003e Cut to size for the AquaClear 110 (AC110) so water is directed through the media, not around it.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReusable.\u003c\/strong\u003e Rinse in old tank water and reuse for months before it needs replacing, which keeps running costs low.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFresh or salt.\u003c\/strong\u003e Works in freshwater and saltwater aquariums.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow the AquaClear System Works\u003c\/h3\u003e\n\u003cp\u003eIn an AquaClear filter, water flows up through three stages in order: \u003cstrong\u003eBioFoam\u003c\/strong\u003e for mechanical filtration, \u003cstrong\u003eActivated Carbon\u003c\/strong\u003e for chemical filtration, then \u003cstrong\u003eBioMax\u003c\/strong\u003e ceramic rings for biological filtration. Keeping all three fresh gives you the cleanest, healthiest water.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"bf-spec\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eReplacement foam filter insert (BioFoam)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFiltration stage\u003c\/th\u003e\n\u003ctd\u003eMechanical, with biological support\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFits\u003c\/th\u003e\n\u003ctd\u003eFluval AquaClear 110 (AC110) power filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWater type\u003c\/th\u003e\n\u003ctd\u003eFreshwater and saltwater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003e1 foam insert\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\n\u003ch3\u003eCare and Replacement\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRinse the foam in a bucket of old tank water during water changes. Never rinse it under tap water, which kills beneficial bacteria.\u003c\/li\u003e\n\u003cli\u003eReplace the foam about every two months, or when it stays clogged or starts to break down.\u003c\/li\u003e\n\u003cli\u003eStagger foam and other media changes so you never remove all your bacteria at once.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdetails class=\"bf-faq\"\u003e\u003csummary\u003eWhich filter does this fit?\u003c\/summary\u003e\u003cp\u003eIt is sized for the Fluval AquaClear 110, also labeled AC110. If you have a different AquaClear size, choose the matching BioFoam for the AC20, AC30, AC50, or AC70.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"bf-faq\"\u003e\u003csummary\u003eHow often should I replace it?\u003c\/summary\u003e\u003cp\u003eRinse it at each water change and plan to replace it roughly every two months, or sooner if it will not rinse clean or begins to fall apart.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"bf-faq\"\u003e\u003csummary\u003eCan I use it in saltwater?\u003c\/summary\u003e\u003cp\u003eYes. The foam is inert and safe for both freshwater and saltwater aquariums.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails class=\"bf-faq\"\u003e\u003csummary\u003eDo I still need carbon and BioMax?\u003c\/summary\u003e\u003cp\u003eFor best results, yes. The foam handles mechanical filtration, while the Activated Carbon and BioMax inserts add chemical and biological filtration to complete the AquaClear system.\u003c\/p\u003e\u003c\/details\u003e\n\u003c\/div\u003e","brand":"Fluval","offers":[{"title":"AC 110","offer_id":48914953175259,"sku":"19623","price":9.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/image_8c514f39-5589-44ef-8bef-a01e993c767f.jpg?v=1782660495","url":"https:\/\/squeakysaquatics.com\/products\/fluval-ac110-biofoam-filter-insert","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}