Baqua Spa pH Decreaser

Brand: Baqua Spa
SKU: 83819
Inventory status: 18 in Stock

Size: 20 oz


BAQUA SPA pH Decreaser (20 oz) is designed to lower the pH and/or total alklainity 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.


pH 7.6-7.8:

0.5 tsp per 200 gallons.

pH 7.8-8.0:

.75 tsp per 200 gallons.

pH 8.0-8.4:

1.5 tsp per 200 gallons.

pH 8.4 and above:

2 tsp per 200 gallons.


  1. Measure the PH of the spa water using Baqua Spa 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 BaqauSpa pH Decreaser.
  4. Add Baqua Spa pH Decreaser to the filter skimmer with the spa circulation system running
  5. Leave running for 30 minutes and recheck pH. Add additional Baqua Spa pH Decreaser if required.


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