SpaGuard Total Alkalinity Increaser - 2lb.

SpaGuard Total Alkalinity Increaser (2lb) is a water balancer that safely raises low total alkalinity in hot tubs and spas to protect equipment and keep pH stable. By correcting low alkalinity, it helps eliminate pH bounce, reduce skin and eye irritation, and prevent corrosion or etching of spa surfaces and plumbing. Regular use creates more comfortable, easy‑to‑maintain water and improves the effectiveness of your sanitizer for consistently clear, clean spa water.