water-quality

Pool water hardness: calcium hardness explained

What is calcium hardness in pool water? Ideal range, effects of hard and soft water, and how to adjust it using calcium chloride or dilution.

Last updated: 1 min read By: Zwembadwijzer

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Zwembadwijzer

The Zwembadwijzer editorial team consists of experienced pool owners and water treatment specialists who combine practical knowledge for residential pool owners.