Pool Mate 20-Pounds Premium Alkalinity Increaser for Swimming Pools, 100% Sodium Bicarbonate

Sodium bicarbonate for poolsRaises total alkalinity and helps keep pool water pH stableMaintain total alkalinity in the range of 60 to 12011 ounces raises alkalinity 10 ppm per 5,000 gallons of waterPrevents equipment corrosion and plaster damage