1. Add 1/2 oz. per 500 gallons of water.
> 2. Wait 5 minutes then check chlorine residual. Residual must be between 2 to 3 ppm to enter spa water. Add more Sani-Spa Chlorinating Concentrate Granular until the residual is reached.
This product protects spa water against chlorine loss while optimizing spa usage and comfort. This product is a convenient and easy way to control the growth of algae, kill bacteria and destroy organic material. Heavy usage or the use of oils or lotions may increase the chlorine demand of the spa or hot tub resulting in the need for more frequent checks of chlorine residual.