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Get it between 2025-06-10 to 2025-06-17. Additional 3 business days for provincial shipping.
Calcium chloride for pools
Rapidly increases total hardness
Helps prevent corrosion or etching of pools
Ideal calcium hardness range 200 - 400 ppm
8 ounces raises calcium hardness level 10 ppm per 5,000 gallons of water
Prevents the staining or etching of your pool's surface
Low calcium hardness level can cause water issues
This is a dry granular product that increases the total hardness in pool water to the recommended range.Test for calcium hardness with a reliable test kit. The desired range for calcium hardness is as follows: Vinyl Pools: 200-300 ppm, Tile and Exposed Aggregate Pools: 200-400 ppm, Marcite, Fiberglass or Painted Pools: 250-400 ppm. If the calcium hardness tests less than the desired range, add this product according to the included chart. Place this product into a plastic bucket already filled with swimming pool water. Do this in a ration of up to 2 pounds of product per approximate 5-gallon bucket of water. Slowly pour this solution around the perimeter of the swimming pool while the circulating system is operating. In a 10,000 gallon pool, do not add more than 10 pounds of this product per 2 hour period.