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!
Chlorine reducer that quickly reduces chlorine levels in swimming pools
Great for use after specialty treatments or after shocking your pool
Also works with Bromine treated pools
1 Pound bottle
Add 2 ounces of this product per 15,000 gallons of water to lower your chlorine or bromine levels by 2 ppm. Example; 8 ounces of this product will remove 4 ppm of chlorine or bromine in 15,000 gallons of water.