Jacks Magic After Shock Chlorine Reducer, 1 lb | JMAFTER16 FC9450 Verify your outer cartridge model

Verify your outer cartridge model before ordering

indoor pools

For an upgrade path

Great stain remover

Length 28 3/16" Outer Diameter 8 15/16" Top Inner Diameter 4" Bottom Inner Diameter 4" Material Point Bonded Pool Filtration Fabric Top Cap Open w/molded gasket Bottom Cap Open w/molded gasket Pleatco Advanced Features

Jacks Magic After Shock Chlorine Reducer, 1 lb | JMAFTER16 FC9450 Verify your outer cartridge modelSize: 1lb Bottle After Shock is a chlorine reducer that is primarily used with Stain Solution #1, The Iron, Cobalt and Spot Etching Stuff to reduce the chlorine to below 1ppm. After Shock can also be used to quickly lower chlorine levels after shocking great for commercial pools! Features and Benefits: Quickly lowers chlorine or bromine residuals to levels required for stain removal Safely & effectively lowers chlorine or bromine levels after shocking