Happy Hot Tubs Bromine 3 Way Test Strips Pool Spa Hottub Dip Testing Strip PH Al
Test for Total Bromine, Alkalinity and PH level. The optimum levels are given on the back of the test strip pot. Total Bromine (3-5ppm), Alkalinity (40-120ppm), PH (7.2 to 7.6). How do i know the optimal water levels for my spa?.