06/03/2026
Total hardness refers to the amount of dissolved minerals in your pool water, including calcium, magnesium, iron, and manganese. While these minerals are naturally present in fill water, calcium levels can also increase through the use of certain pool chemicals.
Maintaining proper calcium hardness is essential for protecting both your pool and equipment.
🔹Low Calcium Hardness: Water becomes corrosive, which can damage pool surfaces, stain wallls and floors, and accelerate wear on equipment, pipes, and fittings.
🔹High Calcium Hardness: Excess calcium leads to scale buildup on pool surfaces, clogged filters and plumbing, reduced circulation, cloudy water, and potential eye irritation for swimmers.
A properly balanced pool isn’t just about clear water—it’s about protecting your investment and creating a safer, more enjoyable swimming experience.
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