Jack’s Magic Products, identify, prevent and remove stains and discoloration by treating stain issues with the pool and spa water. We have built a reputation for innovative quality products and programs that deliver results. All of our solutions are designed with your workday in mind, with performance and savings that are always at work for you. We believe the quality of a product goes hand in hand with innovation. After Shock is a chlorine reducer that is primarily used with Stain Solution No. 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 After Shock Chlorine Reducer
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