API WATER SOFTENER PILLOW Aquarium Canister Filter Filtration Pouch 1-Count Bag Softens hard water Reduces general hardness by lowering calcium and magnesium Easy-to-use pre-dosed pouch fits most canister filters on the market for freshwater aquariums Use when starting or maintaining an aquarium when testing indicates hardness above the desired level, can be reused after it is recharged
API BIO-CHEM ZORB SIZE 6 Aquarium Canister Filter Filtration Pouch Cleans and clears aquarium water removing aquarium pollutants, including colors, odors, and toxic compounds which cloud water and degrade water quality. Contains a unique superior resin-carbon blend that removes compounds 3x more effectively than carbon alone. Easy-to-use pre-dosed pouch fits most canister filters on the market for freshwater, saltwater and…