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Purisan™ Calcium Hardness Increaser (Calcium Chloride)

If the calcium hardness of your pool water is below the minimum level required (normally 100 ppm) enter the amount you want to increase it by (in parts per million) and the pool water volume in the relevant boxes below and click calculate to see how much CH Increaser to dose.

Required CH Increase: ppm

Pool Volume: Litres

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