Pristine pHDown

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Product Number: PPHDOWN
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Full Description

Pristine pHDown

Pristine pHDown lowers the pH in swimming pools, spas, and hot tub water. This is a powder formula created for easy measuring and application. Pristine pHDown is compatible with chlorine, bromine and salt water pools. This product can also be used to reduce alkalinity.


  • Sodium Bisulfate 90%

Available Sizes:

  • 3 lb
  • 6 lb

PristineBlue pH range:

  • 7.2 to 7.6
Dosage Amounts:

  • Example dose; If pH is between 7.6 and 7.9 add 8 ounces of this product per 10,000 gallons of pool water.
  • Example dose; If pH is between 7.6 and 7.8 add 3/4 teaspoon per 400 gallons of spa water.