Shopping security
Calcium hardness increaser made of calcium chloride. Low water hardness could stain or etch the pool surface and corrode equipment, calcium hardness increaser raises water hardness level. Prevents foaming and equipment corrosion. 6 Lb. of calcium hardness increaser per 10,000 gallons of water will raise calcium hardness level by 50 ppm (parts per million).
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
Get nowSign up to your membership to get coupons up to
15%
Get nowOpportunity to enjoy order discount up to 15% off
Top-Converting Item to Boost Your Average Order