GLB Calcium Hardness Up - 8 lb king-shark-2-king-shark-2-plus-hood-filter-assemblies 75 oz Silver Nitrate Reagent

75 oz Silver Nitrate Reagent (R-0718-A)

material Pleatco Part # PA75 Square Feet 75 Unicel Part # C7676

Manufacturer Part # 2920914300

Manufacturer Part # SPX14853

Manufacturer Part # AXV060WH

GLB Calcium Hardness Up - 8 lb king-shark-2-king-shark-2-plus-hood-filter-assemblies 75 oz Silver Nitrate ReagentIncrease water hardness to prevent equipment corrosion and scaling. Compatible With Chlorine, bromine, salt water, ozone, minerals and biguanide Dosage 1 lb per 10,000 gallons to increase by 10 ppm Manufacturer GLB Manufacturer Part # 71243 Pool Chemical Type Water Balancing Product Features Maintain the calcium hardness of your pool water between 150 250 ppm