{"product_id":"blue-shark-colony-rapid-cycle-473ml","title":"Blue Shark Colony Rapid Cycle 473ml","description":"\u003cp data-start=\"218\" data-end=\"631\"\u003eBlue Shark Colony Rapid Cycle uses real, cultured nitrifying bacteria to jump‑start or restore biological filtration in marine aquariums. It introduces beneficial aerobic bacteria — strains such as Nitrococcus and Nitrosococcus — that convert toxic ammonia and nitrite to less harmful nitrate, establishing effective bio‑filtration in days instead of the typical 6–8 weeks.\u003c\/p\u003e\n\u003cp data-start=\"633\" data-end=\"947\"\u003eIdeal for brand‑new aquariums, after major water changes or filter\/media swaps, or when adding new livestock. Simply dose according to instructions (adjusted for tank volume), turn off skimmers\/UV\/ozone while bacteria become established, and monitor ammonia\/nitrite closely.\u003c\/p\u003e","brand":"Marine Fish Shop Online","offers":[{"title":"Default Title","offer_id":52044871598421,"sku":null,"price":21.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0967\/2278\/0501\/files\/rapidcycle473ml.webp?v=1765227001","url":"https:\/\/marinefishshop.uk\/products\/blue-shark-colony-rapid-cycle-473ml","provider":"Marine Fish Shop Online","version":"1.0","type":"link"}