Keep hot tub water in check. This product lowers pH and Alkalinity to obtain the proper balance.
pH Down is designed to lower both alkalinity and pH of your spa or hot tub.
Ideally, the total alkalinity should be between 80 and 150 ppm, and pH between
7.2 and 7.8.
pH Down should be used as necessary when pH levels are above 7.8.Note: For best results, dissolve granular products first by adding to a small,
container of water. Then, apply the solution to the spa water.