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When we speak of scale, we are talking about calcium carbonate which has come out of solution and deposited itself on surfaces. It is a combination of carbonate ions, a part of total alkalinity and calcium, and a part of the Calcium Hardness level. The test for Calcium Hardness is a measure of how "hard" or "soft" the water is testing. "Hard" water can have high levels of calcium and magnesium. If these levels are too high the water becomes saturated and will throw off excess particles out of solution which then seeks to deposit themselves on almost any surface inside the pool. This is calcium carbonate scale; a "white-ish," crystallized rough spot. If the levels are too low, the water is under-saturated. If under-saturated, the water will become aggressive as it attempts to obtain the calcium it needs. Such "soft-water" will actually corrode surfaces inside the pool which contain calcium and other minerals to maintain its hardness demand. Recommended range for calcium hardness is 200-400ppm for cement pools and 175-300ppm for vinyl pools. Calcium Hardness levels should be tested weekly.
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Cal
AQUA CAL is used to raise calcium hardness in swimming pool water. It prevents corrosion, pool surface pitting and foaming. |
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Cop-out
AQUA COP OUT is used for the prevention of stains in pools due to the precipitation of materials such as copper or iron. AQUA COP OUT will also prevent scale formation protecting pool equipment, heaters, pipes and fittings from clogging. |
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