Sirona Spa Care Spa Down

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Sirona Spa Care Spa Down


Sirona Spa Care Spa Down (2.5 Ib) is designed to lower the pH and/or total alkalinity levels in your hot tub. pH should be maintained between 7.2-7.8 ppm and total hardness should be maintained at 80-120 ppm.

Product Info

  • Lower the pH level in spa water
  • Works on chemical systems
  • Size: 2.5Ib bottle


  1. Measure the PH of the spa water using Sirona Spa Care Test kit or Test Strips.
  2. The ideal pH range is 7.2 to 7.8.
  3. Use the dosage table to determine the correct amount of Sirona Spa Care Spa Down.
  4. Add Sirona Spa Care Spa Down to the filter skimmer with the spa circulation system running.
  5. Leave running for 30 minutes and recheck pH. Add additional Sirona Spa Care Spa Down if required.


Sodium Bisulfate: 92%, Constituents Ineffective as Adjuvants: 8%

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