API WATER SOFTENER PILLOW Aquarium Canister Filter Filtration Pouch 1-Count Bag size 5 49A
- Contains one (1) API WATER SOFTENER PILLOW Aquarium Canister Filter Filtration Pouch 1-Count Bag.
- 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.