{"product_id":"quantum-bio-active-carbon","title":"Quantum Bio-Active Carbon","description":"\u003cdiv style=\"background:#E0F7FA;border-left:4px solid #006064;padding:10px 14px;margin:0 0 14px;font-size:0.95em;\"\u003e\n\u003cstrong\u003eIn-store pickup only.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cp\u003eQuantum Bio-Active Carbon is a premium, high-grade activated carbon that polishes reef and marine aquarium water to crystal clarity. It pulls dissolved organic compounds, yellowing and discoloration, odors, toxins, and leftover medications out of the water, leaving your tank cleaner, clearer, and healthier. Low in dust and phosphate, it is built for sensitive reef systems but is safe to use in any freshwater or saltwater aquarium. Browse more \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/filter-media-cartridges\"\u003efilter media and cartridges\u003c\/a\u003e to dial in your filtration.\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 #006064;padding-left:8px;\"\u003eWhy Bio-Active Carbon\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal-clear water:\u003c\/strong\u003e Removes the dissolved organics and tannins that cause yellow, hazy water.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCleaner, safer reef:\u003c\/strong\u003e Strips out toxins, odors, and leftover medications so corals and fish thrive.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReef-grade purity:\u003c\/strong\u003e Low dust and low phosphate leaching, so it will not feed nuisance algae.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFresh or salt:\u003c\/strong\u003e Branded for reef and marine systems, but safe and effective in any aquarium.\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 #006064;padding-left:8px;\"\u003eHow to Use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRinse the carbon in tank or RODI water until the water runs clear.\u003c\/li\u003e\n\u003cli\u003ePlace it in a media reactor, canister filter, or a fine mesh media bag set in a high-flow area.\u003c\/li\u003e\n\u003cli\u003eReplace every 3 to 4 weeks, or sooner once the water starts to discolor again.\u003c\/li\u003e\n\u003cli\u003eGreat to run after dosing medications to pull the residue back out of the water.\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 #006064;padding-left:8px;\"\u003eChoose Your Size\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;margin:4px 0 8px;font-size:0.95em;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e\u003cstrong\u003e500 g\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eNano and small tanks, or a single change on a medium system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e\u003cstrong\u003e1 kg\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eMedium reef systems with regular media changes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e\u003cstrong\u003e2.5 kg\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eLarge systems, or bulk value for frequent rechanges\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 #006064;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;margin:4px 0 8px;font-size:0.95em;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eQuantum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e\u003cstrong\u003eProduct\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eBio-Active Carbon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e\u003cstrong\u003eType\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eActivated carbon filter media\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e\u003cstrong\u003eSizes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e500 g, 1 kg, 2.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e\u003cstrong\u003eBest for\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eReef and marine aquariums (safe for freshwater too)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e\u003cstrong\u003eHow to run\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eMedia reactor, canister, or media bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eEvery 3 to 4 weeks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eAustralia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003e\u003cstrong\u003ePickup\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eIn-store pickup only\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 #006064;padding-left:8px;\"\u003eRecommended Pairings\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/weco-coarse-mesh-zipper-media-bag-4x8\"\u003eWeco Coarse Mesh Media Bag\u003c\/a\u003e to hold the carbon in your sump or filter\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/icecap-controllable-12v-dc-media-reactor\"\u003eIceCap DC Media Reactor\u003c\/a\u003e to run carbon at the ideal flow rate\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/quantum-bio-enhance\"\u003eQuantum Bio-Enhance\u003c\/a\u003e and \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/quantum-coral-cane-complete-coral-food\"\u003eQuantum Coral Cane\u003c\/a\u003e to round out the Quantum reef lineup\u003c\/li\u003e\n\u003cli\u003eBrowse more \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/filter-media-cartridges\"\u003efilter media\u003c\/a\u003e and \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/additives-supplements\"\u003ereef supplements\u003c\/a\u003e\n\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 #006064;padding-left:8px;\"\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does activated carbon actually do?\u003c\/strong\u003e\u003cbr\u003eIt adsorbs dissolved organics, discoloration, odors, toxins, and leftover medications, giving you cleaner, crystal-clear water and a healthier tank.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I run it?\u003c\/strong\u003e\u003cbr\u003eRinse it first, then place it in a media reactor, canister, or fine mesh media bag in a high-flow spot. Replace it every 3 to 4 weeks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhich size should I get?\u003c\/strong\u003e\u003cbr\u003eSee the size guide above. Smaller tanks and single changes do well with the 500 g, while larger systems or frequent rechanges are better served by the 1 kg or 2.5 kg.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use it in a freshwater tank?\u003c\/strong\u003e\u003cbr\u003eYes. It is made for reef and marine systems, but activated carbon works just as well in freshwater aquariums.\u003c\/p\u003e","brand":"Quantum USA","offers":[{"title":"500 g","offer_id":48855394517211,"sku":null,"price":32.49,"currency_code":"USD","in_stock":false},{"title":"1 kg","offer_id":48855394549979,"sku":null,"price":55.99,"currency_code":"USD","in_stock":false},{"title":"2.5 kg","offer_id":48855394582747,"sku":null,"price":107.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/Bio_Active_Carbon_500g_1L_Bucket.png?v=1781004673","url":"https:\/\/squeakysaquatics.com\/products\/quantum-bio-active-carbon","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}