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calcium scale

Understanding Calcium Hardness

Calcium hardness is one of the most important factors in water chemistry, and swimming pool chemistry especially. It is one of the six LSI factors, and because it does not fluctuate much, we love using calcium hardness as a foundation for water balance. Let's discuss why.

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Understanding Calcium Carbonate Scale

Carbonate Scale is a buildup of hardened calcium carbonate (CaCO3) on pool surfaces or equipment. Scale can be a big problem for a pool and its plumbing system (and other water systems besides pools, like fountains). 

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