Jacks Magic JMAFTER08 8OZ After Shock Chlorine Reducer

Jack's Magic JMAFTER08 After Shock Chlorine Reducer, 8 oz.

In The Swim Chlorine Neutralizer for Swimming Pools - Quickly Reduces Chlorine Sanitizer Levels - 90% Sodium Thiosulfate - 2.25 Pounds

EASYTEST 9-Way Pool Test Strips, 140 Strips for Hot tub and Spa, Accurate Testing pH, Total Chlorine, Free Chlorine, Bromine, Alkalinity, Total Hardness, Cyanuric Acid, Salt and Copper