Calcium Chloride (Dry)

Dry Calcium Chloride increases pool and spa water hardness

Safety Data Sheet:
Calcium Chloride (Dry) SDS

Calcium Chloride (Dry)


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HASA’s Calcium Chloride (Dry) is used to increase the calcium hardness of pool and spa water. Plaster surfaces may etch if calcium hardness is below 175 ppm.

Test the water with a reliable test kit. Acceptable calcium hardness is within a range of 175-275 ppm.

Talk to Your HASA Industrial Representative to Learn More