1. Test spa water for pH level.
2. Compare pH test results to chart on bottle to determine appropriate amount of Natural Chemistry Spa pH Decreaser necessary to make adjustment.
3. With the spa not in use and circulation pump operating, add required amount directly into spa water. Continue circulating water for a minimum of 30 minutes.
4. Retest, and adjust if necessary.
pH 7.6 to 7.8
200 gallon spas - 0.5 teaspoons
400 gallon spas - 0.75 teaspoons
800 gallon spas - 1.5 teaspoons
pH 7.8 to 8.0
200 gallon spas - 0.75 teaspoons
400 gallon spas - 1.5 teaspoons
800 gallon spas - 3 teaspoons
pH 8.0 to 8.4
200 gallon spas - 1.5 teaspoons
400 gallon spas - 3 teaspoons
800 gallon spas - 6 teaspoons
pH Above 8.4
200 gallon spas - 2 teaspoons
400 gallon spas - 3.5 teaspoons
800 gallon spas - 7 teaspoons
Natural Chemistry Spa pH Decreaser is designed to gently lower high pH levels in spas and hot tubs into the optimal range of 7.2 to 7.6.