{"product_id":"coralvue-reef-endurance-4-5-lb-gfo","title":"CoralVue IceCap Reef Endurance GFO Phosphate Adsorption Media 4 lb GFO (RE-GFO-LG)","description":"CoralVue Reef Endurance 4 lb GFO (Granular Ferric Oxide) is perfectly suited for filtering out phosphate from the water column. This helps promote better coral growth and helps prevent algae outbreaks. This media has a porous high surface area, making it ideal for binding phosphate, silicate, arsenic, and other water-staining compounds. \n\u003cbr\u003e\u003cbr\u003e\n\u003cb\u003eHow to Use\u003c\/b\u003e\u003cbr\u003e\nUse an up-flow media reactor with a flow rate capable of approximately 100 gph. GFO is also suitable for passive use in a fine filter bag or media basket. Rinse media before use until water runs clear.\n\u003cbr\u003e\u003cbr\u003e\n\u003cb\u003eDosing Instructions:\n\u003c\/b\u003e\n\u003cul\u003e\n\t\u003cli\u003e\u003cspan\u003eInitial Starting Dose: 1 tablespoon\/10 gallons\u003c\/span\u003e\u003c\/li\u003e\n\t\u003cli\u003e\u003cspan\u003eMaintenance Dose: 2 tablespoons\/10 gallons\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cb\u003eMaintaining\u003c\/b\u003e\u003cbr\u003e\n\tIt is recommended to change filter media when phosphate levels begin to rise, typically every 4-6 weeks.","brand":"VASCAAquariumSupply","offers":[{"title":"Default Title","offer_id":42621043310677,"sku":"RCV68110","price":78.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0646\/2626\/2101\/files\/RCV68110.png?v=1783445006","url":"https:\/\/vascaaquariumsupply.com\/products\/coralvue-reef-endurance-4-5-lb-gfo","provider":"VASCAAquariumSupply","version":"1.0","type":"link"}