When used with Clear Spa 104° Spa Solutions Bromo Bright Tablets, Clear Spa 104° Spa Solutions Bromo Boost will ensure that the disinfection of the spa or hot tub is completely bromine based and will eliminate chlorine odors. Directions for use This product should be used during the start-up process of the Clear Spa 104° Spa Care Program. 1. Add one-half (1/2) ounce of this product per 100 gallons of spa water to establish a 30 parts per million (ppm) bromide reserve. 2. 2. Add Clear Spa 104° Spa Solutions Bromo Bright Tablets to establish proper bromine level. (See the Clear Spa 104° Spa Care Guide for proper levels.) NOTE: Sodium Bromide is not a disinfectant. It is used to establish a reserve of bromide in spa or hot tub water. It is also necessary to use a sanitizer to disinfect the water. It is recommended to use Clear Spa 104° Spa Solutions Bromo Bright Tablets with this product.