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Master Clear Alkalinity & pH Down

Master Clear PH Down is a powder that can be added directly to your spa’s water, or can be dissolved in water, to lower the pH & alkalinity levels in the spa.  The primary component is sodium bisulfate.  Ideal pH range is between 7.4 & 7.6, with a tolerance range of 7.2 & 7.8.

$7.99

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Hot tub parts and maintenance