Quick Shock removes contaminates and replenishes the chlorine level in your pool. It will eliminate pollutants, bacteria, and algae with its chlorine treatment. The pH-Neutral formula will not affect your pools pH levels and will cut down on the use of balancing chemicals. The quick dissolving formula does not require any pre-mixing and it will not bleach vinyl liners or cloud the pool water.
Active Ingredient: Sodium Dichloro-s-Triazinetrione 57%