HTH 79.8 oz. Pool Shock Treatment (6-Pack of 13.3 oz. Bags)

HTH Shock Treatment is the original swimming pool shock designed to boost chlorine levels and kill bacteria and algae for a clean, clear pool. This pool shock is great for all pool types and won’t fade your pool liner. Test and apply shock treatment directly to your swimming pool every week to keep free available chlorine levels between 1 and 4ppm for healthy swimming conditions.Increases the chlorine level in swimming pool waterTest pool water and shock weekly to keep free available chlorine levels between 1 and 4ppmShock treatment effective for all swimming pool types including pools with liners and gunite pools and salt water pool systemsWon't fade linersTest pool water and shock weekly to keep free available chlorine levels between 1 and 4ppm