Pool Toys, Supplies & Service

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Why Is Calcium Hardness Important?
Anyone who has ever washed their hair in hard water knows that hard water makes it diffi cult to get a good lather. But in your pool, just the right amount of calcium is essential. Too little and your pool fi nish and equipment can prematurely deteriorate. Too much and your water could become cloudy, scale could form and stain might start. 200 to 400 ppm is the general range for calcium hardness, while 300 ppm is ideal for most pools.