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Calcium Hardness Increaser - 10 Lbs.
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Item #: CM2810
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Calcium Hardness Increaser is used to raise calcium hardness levels when measures drop below the recommended range of 150-250 ppm for spas and 200-400 for pools. If calcium hardness levels are too low, the soft water will corrode pool equipment, etch pool plaster, and may cause metallic stains.

It is important to keep your pool water in balance to get the most effective use of your chemicals. Test daily to ensure that pH, total alkalinity, calcium hardness and cyanuric acid (stabilizer) are within the correct levels.

Dosage: To raise the hardness level by approximately 50 ppm, it is necessary to add 6.25 lbs. per 10,000 gallons of pool water.

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Calcium Hardness Increaser - 25 Lbs. Item: #CM2825 1596 - In stock More Info
 

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