Low Sanitizer (Bromine and Chlorine) in Hot Tubs - Aqua-Tech
Jan 29, 2016· Different types of sanitizers are chlorine and bromine. Low bromine/chlorine levels in a hot tub mean that the bromine/chlorine levels are not in the recommended range that is effective to kill bacteria. Bromine/chlorine is needed in hot tubs to make sure bacteria are kept at bay. Good bromine/chlorine also ensures water is safe to sit in.