Master Clear - Oxidizer Shock 5lbs.

Master Clear - Oxidizer Shock 5lbs. Restore sparkling clean spa water fast with Master Clear - Oxidizer Shock. This chlorine-free shock treatment quickly eliminates organic contaminants, body oils, lotions, and odors that cloud water and reduce sanitizer effectiveness. Ideal for routine maintenance, it reactivates existing sanitizers while keeping water clear, fresh, and comfortable. Fast-dissolving and easy to use, Master Clear - Oxidizer Shock is safe for hot tubs and spas, allowing you to enjoy cleaner water with less downtime between soaks. Active ingredients: Potassium Peroxymonosulfate 42.8% Other ingredients 57.2%