Home / In The Swim Calcium Hardness Increaser for Swimming Pools - Fast-Acting, Scale Prevention - 94% Calcium Chloride - 45 Pounds

In The Swim Calcium Hardness Increaser for Swimming Pools - Fast-Acting, Scale Prevention - 94% Calcium Chloride - 45 Pounds

Boost Water Quality: Prevent cloudy, dull water by restoring the right calcium levels in your pool
Protect Your Pool: Helps stop costly damage like corrosion and pitting on pool surfaces and equipment
Easy-to-Use Granules: Fast-dissolving formula works quickly—just measure, pour, and circulate
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  • Detail

    In the Swim Pool Calcium Hardness Increaser effectively resolves low hardness levels, preventing aggressive water behavior. When levels fall below 200 ppm, water extracts minerals from surfaces, causing etching and corrosion. Add the Increaser to raise levels to the ideal 200 - 400 ppm range. Contains 97% granular calcium chloride. Dosage: 6 lbs. per 10,000 gallons raises levels approx. 50 ppm. Do not premix or mix with small amounts of water, as it undergoes a chemical reaction generating heat.

    Low nutrient levels make water aggressive and corrosive, causing it to leach minerals from surfaces, leading to etching and equipment corrosion.

    In The Swim Pool Calcium Hardness Increaser

    In The Swim's Recommended Pool Care

    Signs of Low Calcium Hardness

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