3KG Happy Hot Tubs PH- Minus Swimming Pool Hot Tub Spa PH Decreaser Down Acid
PH Minus is also used to decrease the Total Alkalinity of your Spa, Hot Tub or pool water. 3KG High Quality HappyHotTubs PH- (Minus). Why Happy Hot Tubs?. We have over 30 Years experience in Hot Tubs and Pools!