{"product_id":"granular-ferric-oxide-gfo-1-25lb","title":"Granular Ferric Oxide (GFO) 1.25lb","description":"\u003cp class=\"\"\u003eGranular Ferric Oxide (GFO) should be used as a part of your tank filtration tools primarily to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003econtrol phosphate levels\u003c\/strong\u003e. Excess phosphate is one of the main contributors to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ealgae growth\u003c\/strong\u003e, which can quickly become a major problem in a marine system. Controlling your phosphates helps stem current algae issues and prevents future algae outbreaks. \u003c\/p\u003e\n\u003cp\u003eThis high-performance filter media is made with a premium iron oxide adsorber designed to target and remove contaminants at the molecular level, bringing professional-grade filtration to your aquarium system.\u003c\/p\u003e\n\u003cp\u003eWith a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecrystalline α-Ferric oxide hydroxide structure\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand an exceptionally high surface area, it effectively binds and removes\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ephosphates\u003c\/strong\u003e, helping to prevent unwanted algae blooms and maintain ideal nutrient balance.\u003c\/p\u003e\n\u003cp class=\"\"\u003e \u003c\/p\u003e\n\u003ch3 class=\"\"\u003e🧲 Benefits of Using GFO\u003c\/h3\u003e\n\u003col\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eRemoves phosphate (PO₄³⁻)\u003c\/strong\u003e\u003cbr\u003eGFO chemically binds with phosphate in the water, effectively removing it from the system and locking it away.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eHelps control nuisance algae\u003c\/strong\u003e\u003cbr\u003eAlgae like hair algae, bryopsis, or cyanobacteria thrive on phosphate. Lower phosphate = less algae.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eSupports coral health\u003c\/strong\u003e\u003cbr\u003eHigh phosphates can inhibit\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ecalcification\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ein stony corals (SPS\/LPS), making it harder for them to build their skeletons. Keeping phosphate low improves coral growth and coloration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"\"\u003e\n\u003cp class=\"\"\u003e\u003cstrong\u003eReduces Tank Maintenance time\u003c\/strong\u003e\u003cbr\u003eReducing phosphates in your tank helps control algae, thereby reducing the time spent cleaning your tank glass. \u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"cvGsUA direction-ltr align-start para-style-body\"\u003e\u003cstrong\u003e\u003cspan class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none\"\u003eSTARTING INSTRUCTIONS\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none white-space-prewrap\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"cvGsUA direction-ltr align-start para-style-body\"\u003e\u003cspan class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none\"\u003eMeasure\u003c\/span\u003e\u003cspan class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none\"\u003e\u003cspan\u003e \u003c\/span\u003eout the amount to be used in your tank.\u003c\/span\u003e\u003cspan class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none white-space-prewrap\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none\"\u003eThe recommended starting amount is around 1 TBSP per every 4 gallons in tank volume. Follow instructions below based on your method:\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"cvGsUA direction-ltr align-start para-style-body\"\u003e\u003cstrong\u003e\u003cspan class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none\"\u003eFILTER BAG\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"cvGsUA direction-ltr align-start para-style-body\"\u003e\u003cspan class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none\"\u003eAdd GFO to your filter bag. Rinse the bag with water from your tank or RO\/DI water about 30 seconds, or until the water runs clear. Place the bag into your sump or a high flow area of your tank to ensure water is being filtered well through the GFO. Regularly test your tank phosphate levels to ensure GFO is replaced when phosphate levels start rising.\u003c\/span\u003e\u003cspan class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none white-space-prewrap\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"cvGsUA direction-ltr align-start para-style-body\"\u003e\u003cstrong\u003e\u003cspan class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none\"\u003eMEDIA REACTOR\u003c\/span\u003e\u003c\/strong\u003e\u003cspan class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none white-space-prewrap\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"cvGsUA direction-ltr align-start para-style-body\"\u003e\u003cspan class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none\"\u003eAdd the measured GFO to your media reactor. Fill a large bucket with fresh or\u003c\/span\u003e\u003cspan class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none white-space-prewrap\"\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none\"\u003eRO\/DI water and place your media reactor’s feed pump in the bucket, and the reactor outlet in a sink. Pump water through the reactor for about 30 seconds, or until the water runs clear. Water entry speed should gently tumble the GFO to avoid pulverizing the media. Carefully dispose of any water remaining inside the reactor before installing.\u003c\/span\u003e\u003cspan class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none white-space-prewrap\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"cvGsUA direction-ltr align-start para-style-body\"\u003e\u003cstrong\u003e\u003cspan class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none\"\u003eMAINTENANCE INSTRUCTIONS:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"cvGsUA direction-ltr align-start para-style-body\"\u003e\u003cspan class=\"OYPEnA font-feature-liga-off font-feature-clig-off font-feature-calt-off text-decoration-none text-strikethrough-none\"\u003ePhosphate levels may increase rapidly during first time use - monitor with a test kit during the first week used. Replace GFO once phosphates begin to rise after initial use. GFO can be replaced every 4-8 weeks after the initial change, or as needed if phosphate levels begin to increase.\u003c\/span\u003e\u003c\/p\u003e","brand":"Printed reef","offers":[{"title":"Default Title","offer_id":46654330634401,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/2584\/0545\/files\/rn-image_picker_lib_temp_ea3f996d-4816-4978-9fb4-cec7afae9e14.png?v=1783281919","url":"https:\/\/www.divinecoralsales.com\/products\/granular-ferric-oxide-gfo-1-25lb","provider":"Divine Coral","version":"1.0","type":"link"}