Powerful oxygen-based oxidizer

Natural Chemistry’s Spa Oxidizing Shock is a powerful oxygen-based oxidizer. Spa Oxidizing Shock dissolves quickly and is gentle on spa surfaces. Contains no chlorine or other sanitizer and should be used for oxidizer treatment only. For routine disinfection, use an EPA registered sanitizer according to label directions. Spa Oxidizing Shock is compatible with spas using chlorinating or brominating products.