GLB Alkalinity Up - 10 lb high-rate-hrp20-01b-hrp24-01b-hrp30-01b-filters Manufacturer Part # 42379920R

Manufacturer Part # 42379920R

Manufacturer Part # 310-5200B

this is a temporary condition

Wait 5 minutes then check chlorine residual

Manufacturer Part # FDXLHMB1930

GLB Alkalinity Up - 10 lb high-rate-hrp20-01b-hrp24-01b-hrp30-01b-filters Manufacturer Part # 42379920RThis balancer increases the alkalinity of pool water to prevent the pH level from fluctuating. Compatible With Chlorine, bromine, salt water, ozone, minerals and biguanide Dosage 1 1 2 lbs per 10,000 gallons to increase by 10 ppm Manufacturer GLB Manufacturer Part # 71245A Pool Chemical Type Water Balancing Product Features Maintain the total alkalinity of your pool water between 75 125 ppm