Calcium Hardness Increaser -5kg

Calcium Hardness Increaser -5kg

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£15.49
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This product Is used to increase calcium hardness in hot tub/spa water. To adjust the water hardness, measure the amount of calcium salts present in the water (5 in 1 test strips/6 in 1 test strips) incorrect levels of calcium hardness may lead to pool surface and circulation problems.