Clear Spa pH Minus - 3 Pounds

Item #: CSSB003

Item Details

Clear Spa pH Minus

pH Minus will decrease the pH of hot tub water. The total alkalinity of hot tub water should be between 80 and 150 ppm. The pH should be between 7.2 to 7.8 ppm. High pH can cause scaling and/or cloudy water, and can decrease the effectiveness of most sanitizers.


  • pH Decreaser for hot tubs
  • Prevents harmful effects of high pH
  • Granular Formula


  • 3 Pounds

Active Ingredients:

  • Sodium Bisulfate 95.0%
  • Inert Ingredients 5.0%
  • Total 100%

Directions for use:

  1. Make sure all equipment is off.
  2. Add 1/4 oz (1-1/2 tsp.) of this product for every 500 gallons of hot tub water.
  3. Turn ON circulation system for 30 minutes.
  4. Re-test water. If pH is still above 7.8, repeat steps 1-3

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