#adSpaChoice#ad - Maintaining a desirable total alkalinity reading is critical to holding chlorine residuals. Alkalinity acts as a buffer, improving the ability of your pool water to resist pH fluctuations.
Spa Essentials#ad - Raises alkalinity level to protect spa water from sudden changes in pH. Helps prevent staining, corrosion and pH bounce. Properly balanced spa water is a must if you want to fully enjoy your spa.
#adSpaChoice#ad - Stabilized Spa Chlorine. 56% available Chlorine. Controls Algae. Downloadable user guide Available Under Product Information: Technical Specifications. Dissolves Quickly and Completely.