![Amerse 2 lb. Shock Oxidizer](http://hottubspasource.com/cdn/shop/products/AMsh2lb_{width}x.jpg?v=1396979167)
IN STOCK !
- 2 lb. shock/oxidizer. NON-chlorine MPS shock
- 32% Potassium Monopersulfate (3.26% active oxygen)
- TIP: leave lid open 15-20 mins with air controls open to gas-off contaminants