An amplifier that increases the sanitizing power of the bromine. For use with a freshly-filled spa; place Brom 61 tabs in the chemical feeder then add 2 ounces of Brom Start directly to the water. Allow the spa to circulate until a bromine reading of 3-5 ppm is attained and do not use your spa until then. You may have to adjust the feeder to maintain this level of bromine. Check the bromine levels before each use to ensure a proper reading; you may have to adjust the feeder to maintain the proper level and check the feeder regularly to make sure there are enough tablets in it.