Active ingredient is potassium monopersulphate. This product is used weekly in spas for shocking purposes. The product will burn out any contaminates and restore the water to a clear and fresh look. If desired, this product can be used in conjunction with Go Brom to establish a two part sanitizer system. Dosage rate is 2 ounces per 500 gallons weekly.

There is a 2 units minimum, if this is the only item you are ordering.