Natural Chemistry Spa Alkalinity Increaser – 2.71 LBS

Available from Olympic Hot Tubs when we last checked. Sold from the shop’s own store; the price there is the one that counts.

Proper alkalinity is critical for regular hot tub maintenance. Why? Balanced alkalinity levels protect equipment from corrosion and help sanitizers last longer. Natural Chemistry’s Spa Alkalinity Increaser is used to raise total alkalinity in hot tub water. Total Alkalinity in hot tub water should be maintained between 80-120 ppm. Keeping your alkalinity in this range helps buffer the pH, maintain bather comfort, maintain water balance and clarity. Helps to eliminate fluctuating pH levels by buf