$13.95
Concentrated formula prevents iron & other metal build-up Only added at start-up and lasts from refill to refill One bottle will treat up to 500 gallons
Tests for bromine, pH, total alkalinity, and calcium hardness Contains 25 test strips Results in 10 seconds
Specifically formulated for spas & hot tubs Concentrated chlorine effectively sanitizes hot water May also be used as a shock treatment
Raises total alkalinity of spa water Prevents pH bounce Reduces the chance of equipment corrosion