{"product_id":"icecap-gfo-small-1lb","title":"IceCap GFO Small 1lb","description":"\u003ch2 data-oe-version=\"1.2\"\u003eIceCap Standard Granular Ferric Oxide (GFO) Filter Media — 1lb (IC-GFO-SM)\u003c\/h2\u003e\u003cp\u003eThe IceCap \u003cb\u003eStandard GFO 1lb Jar\u003c\/b\u003e (SKU: IC-GFO-SM) is an authentic, laboratory-grade chemical filtration media distributed by CoralVue to offer targeted, predictable nutrient management in progressive marine reefs and high-load freshwater aquariums. Elevated phosphate levels are one of the most common hurdles to long-term aquarium success; left unmanaged, excess phosphates fuel aggressive outbreaks of green hair algae or cyanobacteria and chemically block corals from building calcium skeletons. The IC-GFO-SM steps in as an indispensable nutrient sponge, using a highly porous iron oxide matrix to snare and permanently trap unwanted phosphate and silicate molecules out of the water column before they can fuel an environmental imbalance.\u003c\/p\u003e\u003cp\u003eUnlike dense, heavy \"high-capacity\" GFO variations that require specialized high-pressure pumps to move, IceCap's standard granular layout features an intentionally lighter, high-surface-area architecture. This makes it incredibly easy to fluidize inside standard upflow canisters, such as the IceCap INT or EXT media reactor series. As water moves vertically through the granular bed, each particle lightly simmers, continuously exposing new chemical binding sites to the water stream without compressing or creating low-flow channel paths. Safe, reliable, and completely free of toxic fillers, this 1-pound configuration is a practical, space-conscious supply option perfectly scaled for nano reef owners, small to mid-sized displays, or target quarantine setups.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eMitigates Nuisance Algae Proliferation:\u003c\/b\u003e Directly starves invasive green hair algae, bubble algae, and film diatoms by lowering water phosphates to natural, undetectable coral reef baselines (~0.02 ppm).\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eProtects Inhabitant Respiration:\u003c\/b\u003e Provides an iron-based chemical lock that never leaches trapped nutrients back into the water grid, even when the media passes its structural saturation threshold.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003ePrevents Dense Media Clumping:\u003c\/b\u003e The tailored standard granular shape resists sticking together under stable flow conditions, maximizing contact time across the entire canister volume.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003ci\u003e(Note: This filtration package includes 1 pound of loose standard GFO within a resealable storage jar. Fluidizing media reactors, mesh media bags, and chemical water test kits are sold under separate product categories).\u003c\/i\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIceCap GFO Filter Media Bulk Sizing Matrix\u003c\/h3\u003e\u003ctable class=\"table table-bordered\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSizing Classification\u003c\/th\u003e\n\u003cth\u003eSKU Part Number\u003c\/th\u003e\n\u003cth\u003eNet Weight Specification\u003c\/th\u003e\n\u003cth\u003eIdeal System Sizing Profile\u003c\/th\u003e\n\u003cth\u003ePackaging Style\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eIceCap GFO — Small\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eIC-GFO-SM\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003e1.00 lb (0.45 kg)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eNano Tanks \u0026amp; Small-Format Systems\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eAirtight Resealable Jar\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIceCap GFO — Medium\u003c\/td\u003e\n\u003ctd\u003eIC-GFO-MED\u003c\/td\u003e\n\u003ctd\u003e2.15 lbs (0.97 kg)\u003c\/td\u003e\n\u003ctd\u003eMid-Sized Marine \u0026amp; Coral Displays\u003c\/td\u003e\n\u003ctd\u003eAirtight Resealable Jar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIceCap GFO — Large\u003c\/td\u003e\n\u003ctd\u003eIC-GFO-LG\u003c\/td\u003e\n\u003ctd\u003e4.00 lbs (1.81 kg)\u003c\/td\u003e\n\u003ctd\u003eExpansive Show Tanks \u0026amp; Multi-Tank Systems\u003c\/td\u003e\n\u003ctd\u003eHeavy-Duty Bulk Pail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"IceCap","offers":[{"title":"Default Title","offer_id":50483992756472,"sku":"IC-GFO-SM","price":41.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/6909\/5160\/files\/76abc984e36ff1b188f23d3febc4ad22.jpg?v=1789092758","url":"https:\/\/www.blueearthaquariums.com\/products\/icecap-gfo-small-1lb","provider":"Blue Earth Corals","version":"1.0","type":"link"}