Add when PH is high.
Proper PH balance is an essential part of spa maintenance. Recommended range is between 7.2-7.6. If your PH is higher than 7.6 the water will be alkaline and the chlorine...
Arctic Pure Adjust Up is used for increasing the PH of your spa or pool water.This product should be added to the water if your test kit result indicates that the PH is low.
Test the PH of...