{"product_id":"icecap-granular-activated-carbon-gac-xlarge-15lb-box","title":"IceCap Granular Activated Carbon (GAC) XLarge 15lb Box","description":"\u003ch2 data-oe-version=\"1.2\"\u003eIceCap Premium Granular Activated Carbon (GAC) — Bulk 15lb Box (IC-GAC-15BX)\u003c\/h2\u003e\u003cp\u003eThe IceCap \u003cb\u003eBulk Granular Activated Carbon 15lb Box\u003c\/b\u003e (SKU: IC-GAC-15BX) is an authentic, laboratory-grade chemical filtration media distributed by CoralVue to offer high-capacity, dependable water clarification across massive showcase displays, multi-tank fish rooms, coral propagation facilities, and professional service accounts. While mechanical filtration traps solid particles, microscopic dissolved organic waste naturally accumulates over time, turning your aquarium water an unsightly yellow tint and blocking vital light penetration from reaching demanding corals or plants. The IC-GAC-15BX serves as a highly efficient molecular filter, acting as a massive chemical sponge to lock away organic contaminants, foul biological odors, and dangerous chemical compounds before they can impair your ecosystem.\u003c\/p\u003e\u003cp\u003eUnlike cheap aquarium carbons made from wood, lignite, or coconut shells—which either contain high ash levels that shift water chemistry or possess microscopic pores too small to trap complex aquarium proteins—IceCap utilizes premium bituminous coal. This material is high-temperature steam-activated to develop an extensive network of macro-pores optimized specifically for aquatic environments. Its high structural hardness ensures the granules resist crumbling under active flow conditions, making it perfect for passive placement in mesh filter bags or active fluidization inside media reactors like the IceCap INT or EXT series. Packed in a generous, commercial-scale 15-pound box, this bulk configuration delivers professional-grade clarity at an economical price point for heavy-use environments.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eMaximizes Aquarium Light Penetration:\u003c\/b\u003e Strips out yellowing organic humic acids that refract light, drastically boosting overall PAR delivery from your LED or T5 fixtures straight down to deep-water corals.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eNeutralizes Chemical Coral Warfare:\u003c\/b\u003e Actively pulls out toxic terpenes and phenols released by aggressive soft corals (allelopathy) trying to stunt the growth of neighboring hard corals.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cb\u003eCompletely Safe for Reef Environments:\u003c\/b\u003e Carefully factory processed to ensure it will not leach undesirable orthophosphates or heavy ash into high-salinity marine or delicate freshwater systems.\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003ci\u003e(Note: This filtration package includes 15 pounds of loose premium granular activated carbon inside a bulk storage box. Fluidizing media reactors, mesh media bags, and water chemistry test kits are sold under separate product categories).\u003c\/i\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eIceCap GAC 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\u003eIceCap GAC — Small\u003c\/td\u003e\n\u003ctd\u003eIC-GAC-SM\u003c\/td\u003e\n\u003ctd\u003e1.00 lb (0.45 kg)\u003c\/td\u003e\n\u003ctd\u003eNano Tanks \u0026amp; Small-Format Systems\u003c\/td\u003e\n\u003ctd\u003eAirtight Resealable Jar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIceCap GAC — Medium\u003c\/td\u003e\n\u003ctd\u003eIC-GAC-MED\u003c\/td\u003e\n\u003ctd\u003e2.00 lbs (0.90 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 GAC — Large\u003c\/td\u003e\n\u003ctd\u003eIC-GAC-LG\u003c\/td\u003e\n\u003ctd\u003e4.00 lbs (1.81 kg)\u003c\/td\u003e\n\u003ctd\u003eExpansive Show Tanks \u0026amp; Sump Systems\u003c\/td\u003e\n\u003ctd\u003eHeavy-Duty Utility Jug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eIceCap GAC — Extra Large\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eIC-GAC-15BX\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003e15.00 lbs (6.80 kg)\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eCommercial Fish Rooms \u0026amp; Large Setups\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cb\u003eBulk Cardboard Box\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"IceCap","offers":[{"title":"Default Title","offer_id":50483992133880,"sku":"IC-GAC-XL","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/6909\/5160\/files\/de5f70ec48aa5f08fe7ee15e7f5cfc79.jpg?v=1789092740","url":"https:\/\/www.blueearthaquariums.com\/products\/icecap-granular-activated-carbon-gac-xlarge-15lb-box","provider":"Blue Earth Corals","version":"1.0","type":"link"}