{"product_id":"gta-substrat-pro-biological-filter-media","title":"Substrat Pro Biological Filter Media","description":"Optimized bio-filter medium made from sintered glass\r\n \tHigh bulk density due to spherical shape (beads)\r\n \tVery dense colonization of bacteria\r\n \tLonger intervals between cleaning\r\n \tBetter reduction of nitrite loads\r\n \tReusable (rinse carefully to clean)\r\n \tSuitable for fresh and marine water","brand":"Bacteria and Cycling","offers":[{"title":"1 l","offer_id":54850821390627,"sku":"EH02040","price":59.0,"currency_code":"USD","in_stock":true},{"title":"2 l","offer_id":54850821423395,"sku":"EH02041","price":99.0,"currency_code":"USD","in_stock":true},{"title":"250 ml","offer_id":54850821456163,"sku":"EH02039","price":21.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0949\/7562\/3459\/files\/720686020405-substratpro021L-3425x4606-1-scaled.jpg?v=1774072027","url":"https:\/\/essentialreef.com\/products\/gta-substrat-pro-biological-filter-media","provider":"Essential Reef","version":"1.0","type":"link"}