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This non-chlorine shock is the ideal oxidizer for spas with an ionizer unit.
It makes undesirable compounds (body oils, lotions, sweat, etc.) disappear.
Spa Shock is simple to use - just apply directly into your spa water while the pump is circulating.
Fast-acting, this product allows you to return to the spa 15 minutes after application.
This formula is pH buffered so its easier to keep the water balanced.