Designed for use in the Fluval® G3 Filter, the Fluval® G3 Phosphate-adsorbing cartridge will rapidly remove up to 2200 mg of phosphate ion from marine or fresh water aquariums. Learn More
Designed for use in the Fluval® G6 Filter, the Fluval® G6 Phosphate adsorbing cartridge will rapidly remove up to 3900 mg of phosphate ion from marine or fresh water aquariums. Learn More