Product description
TOTAL ALKALINITY PLUS FOR POOLS AND SPAS Total alkalinity should be maintained at between 80 – 150mg/l (ppm). This product is used in your swimming pool or spa water to raise the levels of Total Alkalinity. Low total alkalinity may cause your pool or spa water corrosive and the PH levels hard to maintain. Full Instructions provided on side of tub.
Directions
Open the tub, measure the required amount, and add it to your pool or spa water