In Store Only Raises the pH in hot water. To achieve maximum sanitizer efficiency and to avoid corrosion of surfaces, your water’s pH should be between 7.2-7.8. Maintaining a balanced pH will ensure better bather’s comfort and protect spa equipment. Directions for use: To increase pH to recommended levels, add the required quantity of pH according to the chart below pH Reading For 1,000L Below 6.6 10g 6.6-7.0 7.5g 7.0-7.4 5g Pour directly pH into spa water with the spa in operation. Wait 15 minutes and retest the pH and alkalinity. Repeat operation until recommended levels are reached.
