Ice Cap GFO

IceCap GFO Granular Ferric Oxide – 1 lb Keep nuisance algae under control and maintain crystal-clear water with IceCap GFO (Granular Ferric Oxide). This high-capacity phosphate removal media is designed to effectively reduce phosphate and silicate levels in both freshwater and saltwater aquariums, helping create a healthier environment for fish, corals, and invertebrates. Ideal for use in media reactors or high-flow filter media bags, IceCap GFO works by adsorbing excess nutrients that fuel unwanted algae growth while promoting vibrant coral coloration and improved overall water quality.