Ensure your hot tub/swimming pool water remains perfectly balanced with the CosySpa PH Minus. The natural pH reducer is the ideal treatment for pools & spa water. 1.5kg tub will help stabilise the water without the use of toxic chemicals – therefore enhancing the longevity of your pool/system too.The correct pH and Alkalinity balance is vital to ensure comfortable bathing conditions, maximum efficiency from the sanitiser and to help maintain the fabric of the spa and hot tub. The correct PH reading should be 7.4 - 7.6 and Total Alkalinity between 90 - 150ppm.
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