other pool chemicals special offers water balance chemicals
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Relax Hardness Increaser 5kg Other Pool Chemicals Special Offers Water Balance Chemicals CORRECTS LOW CALCIUM HARDNESS. Relax Hardness Increaser is for raising the calcium hardness level in swimming pool water. Calcium hardness is the amount of dissolved calcium and magnesium in pool water. If there is insufficient dissolved calcium, the water will try and take it from the grouting and concrete in the pool. High levels are not a major cause for concern provided the pH and alkalinity are within recommended parameters, but the reading should be kept below 1000mg/l (ppm) if possible. RRP £1.00 Review this product |
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£11.50 |
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