In Store Only Reduces alkalinity in spa water. Its fast acting and odorless formula 100% soluble does not influence total dissolved solids like regular granular formulas. Directions for use: Maintain proper daily levels. If levels are higher, add 60mL of Alkalinity- per 1,000L of spa water to decrease pH of 0.4 and alkalinity of 14 ppm. Spa must be in operation before adding alkalinity-. Wait 15 minutes and retest pH and alkalinity. Repeat operation until recommended levels are reached.
