SpaGuard pH Increaser

SpaGuard pH Increaser is designed to increase the pH level in your hot tub. A low pH can cause eye irritation, strong chemical odor, rapid sanitizer loss and corrosion of metal in the filtration system.  100% sodium carbonate pH ~11.6 Raises pH Protects hot tub equipment from corrosion due to low pH Improves bather comfort Dosage pH 7.2 or less 2 tsp per 100 gallons of water pH at 7.2 1 tsp per 100 gallons of water pH at 7.3 1/2 tsp per 100 gallons of water pH at 7.4 or greater Not needed Ingredients Sodium Carbonate: 100%