GLB Alkalinity Up - 10 lb high-rate-hrp20-01b-hrp24-01b-hrp30-01b-filters it is easily assembled by

it is easily assembled by threading the fill tube into the float valve

Wait 5 minutes then check chlorine residual

Manufacturer Part # FDXLHMB1930

Notes Includes: 1 of each lid o-ring | pot to volute flange gasket | pump seal | flange o-ring

Manufacturer Part # 42379920R

GLB Alkalinity Up - 10 lb high-rate-hrp20-01b-hrp24-01b-hrp30-01b-filters it is easily assembled byThis 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