SpaGuard Alkalinity Increaser eliminates “pH bounce,” which is an assortment of pH fluctuations caused by disproportionate quantities of any added chemicals, especially low alkalinity levels.
Features:
Raises the total alkalinity.
Test total alkalinity of the water. Proper range is 125-150 ppm.
1 tbs. per 100 gallons raises total alkalinity 25ppm.
Helps prevent equipment and spa surface corrosion and damage.