14KG Happy Hot Tubs PH Minus Swimming Pool Dry Acid Reducer PH - Tub Spas Down
14KG of Excellent Quality PH - (Minus). Use this high quality PH Minus to decrease the PH value of the water in your spa (7.2 to 7.6 is the optimum for spas). Why Happy Hot Tubs?. We have over 30 Years experience in Hot Tubs and Pools!