Kolar Filtration HC Bayoxide GFO 350 gm is a premium, high-capacity granular ferric oxide media specifically engineered for superior phosphate and silicate removal in saltwater and freshwater aquariums, ponds, and aquaculture facilities. As the exclusive North American distributor for Lanxess's GFO Bayoxide® E33 HC, Kolar Filtration provides the original, high-quality solution renowned for its effectiveness in preventing and eliminating unwanted algae growth. This advanced filter media is crucial for maintaining pristine water clarity and a healthy aquatic environment. This exceptionally effective GFO Bayoxide® E33 HC boasts nearly four times the capacity of standard GFO Bayoxide® E33, allowing for half-dosing or extended media life at full dose. Beyond its primary role in adsorbing phosphates and silicates, it is also highly effective at removing arsenic and various heavy metals from tap and aquarium water, all without stripping beneficial trace elements vital for saltwater ecosystems. Initial dosing is recommended at 1 gram per gallon, or 1 cup per 128 gallons, with a standard dose of 1 cup per 64 gallons for ongoing maintenance. Ideal for reef keepers and aquarists facing persistent algae issues or striving for ultra-low nutrient systems, Kolar Filtration HC Bayoxide GFO is the ultimate choice for proactive water quality management. Its high capacity means less frequent media changes and consistent control over phosphate levels, ensuring your aquarium remains below the critical 0.05 ppm threshold for optimal coral health and vibrant aquatic life. This powerful media helps create a stable, algae-free environment, allowing your corals and fish to thrive.