Lowers pH and total alkalinity levels to prevent harmful scale buildup on spa equipment.  Proper pH level helps keep water crystal clear and adds to overall bather comfort.

Dosage:   1 ounce per 1,000 gallons for approximately 0.4 ppm decrease.

Ingredients:   Sodium bisulfate . . . . . . . . . . . . . . . . . . . . . 93.2%
                      Other ingredients . . . . . . . . . . . . . . . . . . . . .  6.8%

Size:   22 ounce bottle.