O-ACE-sis Granule Calcium Hardness Increaser 25 lb($65.69Value)

Description

Calcium Hardness Increaser Calcium Chloride. Low water hardness could stain or etch the pool surface and corrode equipment. 6 pounds of Calcium Hardness Increaser per 10 000 gallons of water will raise calcium hardness level by 50 ppm.