Jacks Magic After Shock Chlorine Reducer - 1 Pound sta-rite-posi-clear-cartridge-filter-parts Stack Adapter for the following

Stack Adapter for the following Heaters:

Covermate Easy Strap Set

CMP AquaLevel Float Valve Assembly

Pentair 77707-0008

Initial Dose - Add 4 ounces per 400 gallons of hot tub water after initial fill and after each drain and refill

Jacks Magic After Shock Chlorine Reducer - 1 Pound sta-rite-posi-clear-cartridge-filter-parts Stack Adapter for the followingJacks Magic After Shock 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 and is great for commercial pools! Features: Chlorine reducer that quickly reduces chlorine levels in swimming pools Great for use after specialty treatments or after shocking your pool Also