PacifiClear 25 Lb. Calcium Hardness Increaser Granule Striking Tools flexible "d" weight backing for

flexible "d" weight backing for dry sanding of painted wood & metal

Flex Grip form fitting

No Tools Required for Easy Transportation and Storage

Designed with your cat's comfort in mind

This dependable

PacifiClear 25 Lb. Calcium Hardness Increaser Granule Striking Tools flexible "d" weight backing forCalcium 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).