SpaGuard Enhanced Shock is a multipurpose shock/oxidizer that helps clear hot tub water and buffers pH to prevent bounce. SpaGuard Enhanced Shock is a special formulation designed specifically for hot tubs to provide crystal clear water with bromine or chlorine sanitizing systems, including those using ionization or ozone. SpaGuard Enhanced Shock can reduce excessively strong chlorine odors and clear murky or cloudy water.
(not available in California)