Spa Choice pH Decreaser is a granular product that reduces the pH level in your spa or hot tub. A high pH level can cause destructive scale build-up. Use Spa Choice pH Decreaser when the pH level in your spa or hot tub is above 7.8.
Spa Choice pH Decreaser Directions for Use
Spa Choice pH Decreaser is used to lower the pH in spa water. The water in the spa should be maintained at a pH of 7.2-7.8 and total alkalinity should be maintained from 80-140 ppm. Test spa water frequently with a suitable spa water test kit to ensure that the proper pH is maintained. Spa Choice pH Decrease is compatible with all sanitizers, including bromine, chlorine, and biguanide.
This product should be used if pH is above 7.8.
Turn on air blower or spa filter system.
Premix one ounce of Spa Choice pH Decreaser with water in a plastic pail and add diluted product to spa.
Retest spa water after 30 minutes.
Follow steps 1-3 until pH and total alkalinity are in the range of 7.2-7.8 and 80-140 ppm respectively.
Note: Do not add more than one ounce at a time. Always wait 30 minutes between doses and test spa water before each addition of Spa Choice pH Decreaser.