API Water Softener Pillow – Small – 2 oz.

Quickly softens water by removing calcium, magnesium and heavy metals. Protects tropical fish from ill effects of hard water, helps stabilize pH and eliminates crusty deposits. For freshwater aquariums. Helps create an ideal environment for Discus, and other fish that thrive in lower pH soft water environments. Pillow is easily recharged for multiple uses with the use of table salt.

Treats up to 20 gallons of water.

styrene/ divinylbenzene copolymer, 0-57%
sulfonic acid, sodium salt, N/S
water, N/S