SpaGuard Enhanced Shock, 2 lb, Pack of 4, Multipurpose Shock for Spas & Hot Tubs, Produces Clear & Sparkling Spa Water, Easy to Use, Removes Unpleasant Odors

Powerful Shock Treatment: SpaGuard's Enhanced Shock provides spa owners with a powerful, effective shock treatment to eliminate contaminants that build-up with use, while taking just 15 minutes to work.Removes Unpleasant...