Calcium Chloride (Liquid)
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- Liquid hardness increaser
- Increases pool and spa water hardness
- Pre-dissolved - no brushing into solution
HASA CALCIUM CHLORIDE (LIQUID) is used to increase the calcium hardness of pool and spa water. Plaster pool surfaces may etch if calcium hardness is below 175 ppm. Test the water with a reliable test kit. Acceptable calcium hardness is within a 175-275 ppm range.
