{"product_id":"seachem-tidal-matrix-biomedia","title":"Seachem Tidal Matrix","description":"\u003cp\u003e\u003cstrong\u003eSeachem Tidal Matrix\u003c\/strong\u003e is the biological filtration media for the Seachem Tidal series of hang on back power filters, pre-portioned into a ready-to-use pouch sized for your filter. Matrix is a highly porous, inert biomedia that houses the beneficial bacteria which break down aquarium waste. Its surface grows the aerobic bacteria that convert ammonia and nitrite, while the deep interior pores shelter anaerobic bacteria that reduce nitrate, so one media handles the full nitrogen cycle. It is the biological stage that completes your Tidal filtration.\u003c\/p\u003e\n\u003cp\u003eRun it alongside the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-tidal-foam-filter-sponge\" style=\"color:#666;font-weight:600;text-decoration:underline;\"\u003eTidal Foam\u003c\/a\u003e mechanical sponge and \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-tidal-matrix-carbon-activated-carbon-pouches\" style=\"color:#666;font-weight:600;text-decoration:underline;\"\u003eTidal Matrix Carbon\u003c\/a\u003e chemical pouch for all three stages, add the fine \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-tidal-polishing-pad-50-micron-fine-filter\" style=\"color:#666;font-weight:600;text-decoration:underline;\"\u003eTidal Polishing Pad\u003c\/a\u003e for extra clarity, or browse more \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/filter-media-cartridges\" style=\"color:#666;font-weight:600;text-decoration:underline;\"\u003efilter media and cartridges\u003c\/a\u003e.\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;\"\u003eWhat It Does\u003c\/h3\u003e\n\u003cul style=\"margin:0 0 8px;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eBiological filtration.\u003c\/strong\u003e Grows the beneficial bacteria that keep ammonia and nitrite at zero.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControls nitrate, too.\u003c\/strong\u003e Deep interior pores shelter anaerobic bacteria that reduce nitrate, something surface-only media cannot do.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnormous surface area.\u003c\/strong\u003e The porous structure packs far more bacterial habitat into the same space than plastic bio-balls or ceramic rings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInert and permanent.\u003c\/strong\u003e Matrix does not break down or leach. It lasts the life of the tank and never needs replacing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFreshwater and saltwater.\u003c\/strong\u003e Works in community tanks, planted setups, and reef systems alike.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReady to use.\u003c\/strong\u003e Pre-bagged in a Tidal-sized pouch that drops straight into the media basket.\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;\"\u003eChoose Your Size\u003c\/h3\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003eEach pouch is portioned to fill one Tidal model's media basket. Match the number on the pouch to the number on your filter.\u003c\/p\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;margin:0 0 8px;font-size:0.95em;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f6f6f6;\"\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;\"\u003eThis pouch\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;\"\u003eFits filter\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:6px 10px;text-align:left;\"\u003eFilter rated for\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eTidal 35\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eSeachem Tidal 35\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eup to 35 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eTidal 55\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eSeachem Tidal 55\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eup to 55 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eTidal 75\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eSeachem Tidal 75\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eup to 75 gallons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eTidal 110\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eSeachem Tidal 110\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:6px 10px;\"\u003eup to 110 gallons\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;\"\u003eHow to Use\u003c\/h3\u003e\n\u003cul style=\"margin:0 0 8px;padding-left:20px;\"\u003e\n\u003cli\u003ePlace the pouch in your Tidal's media basket, typically after the foam sponge so mechanical debris is caught first.\u003c\/li\u003e\n\u003cli\u003eLeave it in place. Matrix is permanent media, so there is no replacement schedule.\u003c\/li\u003e\n\u003cli\u003eIf flow slows over time, rinse the pouch gently in old tank water to clear surface debris. Never use tap water, which kills the bacteria.\u003c\/li\u003e\n\u003cli\u003eWhen adding or upgrading media, keep the established pouch in place so your biological colony stays intact.\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;\"\u003eComplete the Tidal System\u003c\/h3\u003e\n\u003cul style=\"margin:0 0 8px;padding-left:20px;\"\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-tidal-foam-filter-sponge\" style=\"color:#666;font-weight:600;text-decoration:underline;\"\u003eSeachem Tidal Foam\u003c\/a\u003e: the mechanical stage that traps debris before it reaches the Matrix\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-tidal-matrix-carbon-activated-carbon-pouches\" style=\"color:#666;font-weight:600;text-decoration:underline;\"\u003eSeachem Tidal Matrix Carbon\u003c\/a\u003e: the chemical stage for removing odors, colors, and dissolved organics\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/products\/seachem-tidal-polishing-pad-50-micron-fine-filter\" style=\"color:#666;font-weight:600;text-decoration:underline;\"\u003eSeachem Tidal Polishing Pad\u003c\/a\u003e: a 50 micron fine pad for polished, crystal-clear water\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/filter-media-cartridges\" style=\"color:#666;font-weight:600;text-decoration:underline;\"\u003eFilter Media \u0026amp; Cartridges\u003c\/a\u003e: browse all replacement media and cartridges\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 style=\"margin:8px 0 2px;\"\u003e\u003cstrong\u003eWhich pouch do I need?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003eMatch the number to your filter. A Tidal 75 filter uses the Tidal 75 pouch. The number is printed on your filter and on the pouch.\u003c\/p\u003e\n\u003cp style=\"margin:8px 0 2px;\"\u003e\u003cstrong\u003eHow often do I replace it?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003eYou do not. Matrix is inert and permanent. Just rinse it gently in tank water if flow slows, and it keeps working for the life of the tank.\u003c\/p\u003e\n\u003cp style=\"margin:8px 0 2px;\"\u003e\u003cstrong\u003eDoes it really lower nitrate?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003eYes. The oxygen-poor interior pores let anaerobic bacteria convert nitrate to nitrogen gas. Give a new setup a few weeks for that colony to establish.\u003c\/p\u003e\n\u003cp style=\"margin:8px 0 2px;\"\u003e\u003cstrong\u003eFreshwater or saltwater?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp style=\"margin:0 0 8px;\"\u003eBoth. Matrix is inert and performs the same in freshwater, planted, and marine tanks.\u003c\/p\u003e","brand":"Seachem","offers":[{"title":"Tidal 35","offer_id":48293270323419,"sku":"06583","price":6.08,"currency_code":"USD","in_stock":true},{"title":"Tidal 55","offer_id":48293270356187,"sku":"06506","price":7.31,"currency_code":"USD","in_stock":true},{"title":"Tidal 75","offer_id":48293270388955,"sku":"06507","price":7.85,"currency_code":"USD","in_stock":true},{"title":"Tidal 110","offer_id":48293270421723,"sku":"06508","price":8.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/image_4573317e-a070-4c8a-b04f-85ea2b421e3d.png?v=1771775174","url":"https:\/\/squeakysaquatics.com\/products\/seachem-tidal-matrix-biomedia","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}