{"product_id":"seachem-phosnet-gfo-phosphate-silicate-remover-125-g","title":"Seachem PhosNet GFO - Phosphate \u0026 Silicate Remover (125 g)","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eSeachem PhosNet GFO is a granular ferric oxide (GFO) media crafted for freshwater and saltwater aquariums. With high porosity, expansive surface area, and strong binding capacity, it rapidly reduces phosphates and silicates to help maintain clearer water. Seachem has spent more than three decades translating science into practical hobbyist solutions, and PhosNet reflects that heritage of education, testing, and reliable performance. As a privately owned company led by aquarium enthusiasts, Seachem continues to support hobbyists with products grounded in real-world use and solid science.\u003c\/p\u003e\n\n\u003ch3\u003eKey benefits in your tank\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRemoval: The porous granules target phosphates and silicates, helping lower nutrient levels in both display tanks and filtration media.\u003c\/li\u003e\n  \u003cli\u003eBinding: PhosNet binds contaminants strongly, reducing the chance of re-release back into the water column.\u003c\/li\u003e\n  \u003cli\u003eDust reduction: The formulation minimizes dust, making handling and routine maintenance cleaner and easier.\u003c\/li\u003e\n  \u003cli\u003eFiltration compatibility: Use in canister filters, media chambers, box filters, or high-flow areas; a filter bag is recommended to contain the media.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to use PhosNet for best results\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePreparation: Rinse PhosNet before use to minimize dust and particulates in your system.\u003c\/li\u003e\n  \u003cli\u003ePlacement: Position the media to maximize water flow through it without allowing it to tumble or clog flow paths.\u003c\/li\u003e\n  \u003cli\u003eDosing and duration: Use 50 g (1\/2 cup) per 200 L (50 US gallons) of saltwater or 400 L (100 US gallons) of freshwater. Leave PhosNet in place for 4 days, then test phosphate or silicate levels.\u003c\/li\u003e\n  \u003cli\u003eRe-treatment guidance: If concentrations remain above 0.02 mg\/L, re-check and adjust dosing as needed; avoid excessive dosing to prevent over-treatment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy choose PhosNet\u003c\/h3\u003e\n\u003cp\u003eThe 125 g package provides a practical, science-backed approach to nutrient control. This media works as part of a regular maintenance cycle, helping aquarists pursue clearer water and stable filtration without relying on harsh chemical additives. The product line reflects Seachem’s ongoing commitment to education and support for hobbyists who value proven performance.\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 is Seachem PhosNet GFO used for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: A granular ferric oxide media that targets phosphates and silicates in freshwater and saltwater aquariums.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How should PhosNet be used in a filter to avoid over-treating?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Rinse before use; place to optimize water flow; run about 4 days and test levels; follow dosing guidelines.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Seachem","offers":[{"title":"Default Title","offer_id":40565594456193,"sku":"B00UUBV06W","price":56.17,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/4757\/3633\/files\/seachem-phosnet-removal-action.jpg?v=1766004596","url":"https:\/\/petiva.ca\/products\/seachem-phosnet-gfo-phosphate-silicate-remover-125-g","provider":"Petiva","version":"1.0","type":"link"}