How To Shock A Hot Tub With Bromine. Use bromine tablets in a small floater, to help maintain bromide and bromine levels. Hot tub shock is usually used once the water has lost its clarity or if it has changed in color.
Read the instructions on the chlorine or bromine container carefully. There is no such thing as bromine shock, although many people confuse bromide ions with spa shock. Is bromine in a hot tub bad for you?
But after a while, that becomes less effective.
Primarily you should be shocking your hot tub with a chemical substance that you will be using more often. You should aim to maintain a bromine level of 30ppm for 1 hour, you may need to add additional bromine to maintain this level. While preparing to shock the spa water, you should first test and adjust the ph level to about 7.2 to 7.5. Apply the solution to the hot tub water whilst the pumps are turned on to aid distribution.