SpaGuard Total Alkalinity Increaser, 2 lb, Pack of 6, Prevents pH Bounce, Proven Pool Water Balancer, Suitable for Spas and Hot Tubs

Raises Total Alkalinity: Our SpaGuard Total Alkalinity Increaser provides spa owners with a simple, effective treatment to combat too low spa alkalinity, which if left untreated can cause corrosion damage, weaken your sanitizers ability to keep your spa clean, and cause skin and eye irritation. Once