Plus Alkalinity Increaser - 1kg

To keep your swimming pool or hot tub water from becoming corrosive, and increase the total alkalinity

Maintains a suitable pH level in the water to prevent eye and skin irritation for a better swimming and bathing experience.

Use to control the alkalinity of your water, reduce the acidity, and maintain a proper PH. 

With clear directions on the container and a helpful dosage rate chart, it's simple to use. If your water falls below 7.2 on the pH scale or has an alkalinity level of less than 80 mg/L, alkalinity additions are recommended

Appropriate for all hot tubs, spas, and swimming pools.