{"product_id":"fluval-ac70-110-biomax-insert","title":"Fluval AC70\/110 BioMax Insert","description":"\u003cp\u003eThe \u003cstrong\u003eFluval AquaClear BioMax Insert\u003c\/strong\u003e is the biological heart of your filter. Each insert is packed with porous ceramic rings whose huge internal surface area gives beneficial nitrifying bacteria a place to colonize, powering the nitrogen cycle that breaks down toxic ammonia and nitrite. Sized for the AquaClear 70 and 110 filters, BioMax works in both freshwater and saltwater aquariums and comes as a single insert or a value 2-pack.\u003c\/p\u003e\n\u003cp\u003eSlot it into your \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fluval-aquaclear-ac-series-aquarium-filters\"\u003eAquaClear (AC) power filter\u003c\/a\u003e alongside your foam and carbon media. Running a smaller filter? Choose the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fluval-ac50-biomax-insert\"\u003eAC50 BioMax\u003c\/a\u003e instead. Pair it with \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fluval-ac70-110-clear-carb-insert-2-pack\"\u003eClear-Carb\u003c\/a\u003e for chemical filtration, and find more media in our \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/filter-media-cartridges\"\u003eFilter Media \u0026amp; Cartridges\u003c\/a\u003e collection.\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;\"\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePorous ceramic rings offer a massive surface area for beneficial bacteria\u003c\/li\u003e\n\u003cli\u003ePowers the nitrogen cycle to break down toxic ammonia and nitrite\u003c\/li\u003e\n\u003cli\u003eLong-lasting biological media that keeps your tank stable\u003c\/li\u003e\n\u003cli\u003eSized for the AquaClear 70 and 110 power filters\u003c\/li\u003e\n\u003cli\u003eAvailable as a single insert or a money-saving 2-pack\u003c\/li\u003e\n\u003cli\u003eWorks in both freshwater and saltwater 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\u003cp\u003eRinse BioMax gently in old aquarium water, never tap water, which kills the bacteria, then place it in the media basket after the mechanical foam. Because the beneficial bacteria live on the rings, replace only about half of your BioMax at a time every few months so the colony is never wiped out and your tank stays cycled.\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;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;margin:6px 0;font-size:0.95em;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;background:#f6f6f6;padding:6px 10px;font-weight:600;\"\u003eProduct\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eBioMax insert (porous ceramic bio-media)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;background:#f6f6f6;padding:6px 10px;font-weight:600;\"\u003eFunction\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eBiological filtration for the nitrogen cycle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;background:#f6f6f6;padding:6px 10px;font-weight:600;\"\u003eFits\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eAquaClear 70 and 110 \/ Fluval AC70, AC110 filters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;background:#f6f6f6;padding:6px 10px;font-weight:600;\"\u003eSizes\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eSingle insert (4.4 oz \/ 125 g) or 2-Pack (8.8 oz \/ 250 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;background:#f6f6f6;padding:6px 10px;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;background:#f6f6f6;padding:6px 10px;font-weight:600;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eFluval\u003c\/td\u003e\n\u003c\/tr\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\"\u003eAquaClear \/ Fluval AC70-AC110 power filters\u003c\/a\u003e, the filters this insert fits\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fluval-ac50-biomax-insert\"\u003eAC50 BioMax Insert\u003c\/a\u003e, the same bio-media for smaller AquaClear filters\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/fluval-ac70-110-clear-carb-insert-2-pack\"\u003eAC70\/110 Clear-Carb\u003c\/a\u003e, activated carbon and ClearMax for chemical filtration\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/filter-media-cartridges\"\u003eFilter Media \u0026amp; Cartridges\u003c\/a\u003e, all replacement media in one place\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;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does BioMax do?\u003c\/strong\u003e Its porous ceramic rings host the beneficial bacteria that run your tank's nitrogen cycle, converting toxic ammonia and nitrite into far less harmful nitrate.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow often should I replace it?\u003c\/strong\u003e Swap only about half at a time every few months. Replacing all of it at once removes your bacteria colony and can trigger a mini-cycle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould I get the single or the 2-pack?\u003c\/strong\u003e The 2-pack is the better value and lets you stagger replacements. A single insert is fine for topping up one filter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it in saltwater?\u003c\/strong\u003e Yes. BioMax provides biological filtration in both freshwater and marine aquariums.\u003c\/p\u003e","brand":"Fluval","offers":[{"title":"Single","offer_id":48931526377691,"sku":"19664","price":9.99,"currency_code":"USD","in_stock":false},{"title":"2-Pack","offer_id":48931528507611,"sku":"19665","price":19.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/image_33a3adac-3e6b-4c6b-88f8-0b092117d6ec.jpg?v=1782935194","url":"https:\/\/squeakysaquatics.com\/products\/fluval-ac70-110-biomax-insert","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}