API Phos Zorb Pouch, Size 6

Contains one API Phos-Zorb Size 6 Aquarium Canister Filter Filtration Pouch 1-Count Bag Removes toxins that can be harmful to fish and lead to cloudy water Removes phosphate and silicate from aquarium water Easy-to-use pre-dosed pouch fits most canister filters on the market, for use in freshwater and saltwater aquariums