In The Swim - Calcium Hardness Increaser
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In The Swim Calcium Hardness Increaser (Calcium Chloride) protects your pool from corrosive water.
- Calcium Hardness (Calcium Chloride)
- Granular form for fast acting results Prevents acidic pool levels and corrosion from low calcium levels
- Dosage is approximately 6 lbs. per 10,000 gallons of water to raise hardness level about 50 ppm
- Use In The Swim calcium hardness increaser when your hardness level drops below 150 ppm
- Available in several different sizes
- Also great to melt snow!
- Available in in 5, 25, and 45 lb Containers
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$24.99
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$84.99
Select Styles for Availability