{"product_id":"red-sea-no3-po4-x-500ml-nopox-nitrate-phosphate-reducer-for-reef-aquariums","title":"Red Sea NO3:PO4-X 500ml NOPOX – Nitrate \u0026 Phosphate Reducer for Reef Aquariums","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eRed Sea NO3:PO4-X is a 500ml bottle of biological nitrate and phosphate reducer designed for reef aquariums. Part of Red Sea's Fish Pharm line, this product is manufactured in the United States and packaged for hobbyists who value a practical, biology-based approach to nutrient management.\u003c\/p\u003e\n\u003ch2\u003eWhat it does for your reef\u003c\/h2\u003e\n\u003cp\u003eIn reef systems, dissolved nitrogen and phosphate compounds can accumulate from feeding, waste, and decaying matter. NO3:PO4-X targets these nutrients through a biological mechanism intended to help lower their levels. By reducing excess nutrients, the product aims to support stable water chemistry, encourage healthy coral color, and help keep nuisance algae in check. This is a gentle, biology-based option that fits into everyday reef-keeping routines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBiological reduction of nitrates and phosphates to help balance nutrients.\u003c\/li\u003e\n  \u003cli\u003ePotential for improved water clarity as nutrient levels stabilize.\u003c\/li\u003e\n  \u003cli\u003eAlgae management support that complements regular maintenance.\u003c\/li\u003e\n  \u003cli\u003eDesigned to work alongside other Red Sea products and common reef-husbandry practices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eReal-world use cases\u003c\/h2\u003e\n\u003cp\u003eImagine a mixed reef with SPS, LPS, and soft corals. As nutrients settle into a healthier range, corals may display more extended polyp extension and vibrant coloration, while algae growth remains manageable with consistent dosing and monitoring. Tank owners often notice clearer water and a calmer, more stable display over weeks of careful use.\u003c\/p\u003e\n\u003ch2\u003eHow to use\u003c\/h2\u003e\n\u003cp\u003eBegin with a careful, incremental dosing approach. Monitor nitrate and phosphate indicators, and adjust dosing to fit your tank’s response. Pair NO3:PO4-X with regular water changes and routine testing for best results.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRead the label and start with the recommended dose for your tank size.\u003c\/li\u003e\n  \u003cli\u003eWait several days between adjustments to observe changes in water chemistry.\u003c\/li\u003e\n  \u003cli\u003eMaintain stable parameters (temperature, salinity, lighting) to support nutrient management.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eProduct specs \u0026amp; origin\u003c\/h2\u003e\n\u003cp\u003eCountry of origin: United States. Package dimensions: 3 x 3 x 8 inches. This 500ml bottle is designed for reef-keepers who prefer a biology-based approach to nutrient management within Red Sea’s Fish Pharm portfolio.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does Red Sea NO3:PO4-X do in a reef tank?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: It targets nitrates and phosphates biologically to help balance nutrients and support coral health, while limiting nuisance algae.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should I use Red Sea NO3:PO4-X?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Follow label directions, dose gradually, monitor nutrient levels, and maintain stability with regular water changes and testing.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Red Sea","offers":[{"title":"Default Title","offer_id":53553422401865,"sku":"B006L48D3U","price":41.5,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0986\/1781\/9465\/files\/red-sea-no3-po4-x-bottle-closeup.jpg?v=1766306384","url":"https:\/\/petvita.co.uk\/products\/red-sea-no3-po4-x-500ml-nopox-nitrate-phosphate-reducer-for-reef-aquariums","provider":"Petvita","version":"1.0","type":"link"}