ProTeam Shock & SwimFEATURES Oxygen based, non chlorine based oxidizer. Contains no chlorine! Easy to use Compatible with pools using chlorine, bromine, copper silver ionizers, chlorine generators, and more Safe for all surfaces Fresh fragrance BENEFITS Eliminates all precursors that would otherwise lead to combined (bad) chlorine formation Enhances swimmer comfort Restores sparkle and clarity to dull water Will not bleach or fade vinyl liners Allows quick access to the