Spa pH Decreaser™

$ 11.99

Decreases the pH of spa/hot tub water

Natural Chemistry's Spa pH Decreaser lowers the pH of water in spas. Spa water should be maintained between a pH of 7.2 and 7.6. When pH is too high (above 7.6), water becomes uncomfortable to bathers, sanitizers lose their efficiency, water may become cloudy and scale forms more readily.
Lowers pH in spa and hot tub water
When pH is too high water becomes uncomfortable to bathers, sanitizers lose their efficiency and water may become cloudy
Directions for use:

Read the entire label before using.

Test spa water for pH level.
Compare pH test results to chart below to determine appropriate amount of product necessary to make adjustment.
With the spa not in use and circulation pump operating, add required amount directly into spa water. Continue circulating water a minimum of 30 minutes.
Retest, adjust if necessary.
Dosage Chart
All values are in dry weight

Spa Volume pH 7.2-7.6 pH 7.6-7.8 pH7.8-8.0 pH 8.0-8.4 Above pH 8.4
200gal not req. 0.5tsp 0.75tsp 1.5tsp 2 tsp
400gal not req. 0.75tsp 1.5tsp 3 tsp 3.5tsp
800gal not req. 1.5tsp 3 tsp 6 tsp 7 tsp


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