My guess is you are safe from bromine with your water. "Ine" means gas, "ide" means salt, btw -- so unless it was a bromide that had been added specifically, no bromine salts have been added. I am not too clear about the other salts although I know that potassium + magnesium can be a pretty good thing to have on board!
I am going to ask a question I posted earlier here, as it fits with the bromine issue -- but a friend told me he has been drinking Gatorade as part of his workout to prevent lightheadedness. I told him not to, as it contains bromines! (He is drinking the lemon-lime, and it is citrus that requires brominated vegetable oil, which is why citrus drinks should always been suspect.)
Anyway, he went home and checked on the label and there was no "brom" anything. My guess is that it was taken out of Gatorade as other drinks have been recalled for bromine misuse.
Any ideas? I should have gone to the store and looked at labels myself without dissing Gatorade -- I wouldn't drink it myself, but libel is libel! I have, however, seen BVO (brominated vegetable oil) on the Mountain Dew ingredients list, and manufacturers are required to disclose its presence -- it can't be lumped under "flavorings," etc. BUT -- I have been trying to persuade him to check out this site and this forum, and I am now worried that he will be very suspicious if he thinks I am making things up...