Pitting of Metal Fixtures or Plastic Spa Surfaces
Possible Cause: pH and/or total alkalinity too low
Solution: Test pH and alkalinity. Adjust pH levels using Spa Selections® Spa Increaser and adjust alkalinity with an alkalinity increaser product. Test and adjust as necessary to maintain total alkalinity
level of 80 - 120 ppm and pH level of 7.2 - 7.8.