pH Decreaser is used to lower the pH and Total Alkalinity (TA) of spa water. This helps to prevent the buildup of harmful scale on hot tub equipment, including heater elements. Reduces eye and skin irritation caused by high pH and TA levels. Increases the effectiveness of hot tub disinfectants.
Product notes: Also called Spa Down or pH Down. Contains sodium bisulfate 93.2%. Also known as dry acid.
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