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SpaGuard pH Decreaser - 18 oz.

SpaGuard pH Decreaser - 18 oz.


SpaGuard pH Decreaser - 18 oz.

SKU: 42634BIO

In stock

SpaGuard pH Decreaser - 18 oz.


SpaGuard pH Decreaser is a granular product that decreases pH and total alkalinity levels in hot water. Increases the effectiveness of the sanitizer when levels are in range.

What’s in the Box

  • 1 x SpaGuard pH Decreaser - 18 oz.


  • Lowers pH and total alkalinity.
  • Protects spa and equipment due to improper pH.
  • Prevents cloudy water due to high pH.
  • Balances water for bather comfort.


  • Sodium Bisulfate: 93.2%
  • Other Ingredients: 6.8%


  1. If pH rises above 7.6, apply product per ALEX Pro recommendations.
  2. Apply by broadcasting product evenly across the spa with the pump running.
  3. Circulate for 30 min. and retest pH.


    • Compatible with chlorine, bromine, ozone and biguanide sanitizers.



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