Killing the microbiological pathogens with chlorine beats being sick. There is no excuse for adding fluoride. It displaces the iodine from your thyroid hormone and makes your bones brittle via the fluorosis process. Topical application of fluoride in a dentists office that is not swallowed has some limited benefits. The baking industry introduces lots of bromides into your diet via bread additives. There is no value to bromine in the human body. Like fluoride, it competes for binding to your thyroid hormones rendering them inactive.
You can find some good details on iodine, fluoride/bromide issues in
I am a huge fan of iodine, it’s my new best friend! I never knew how lacking we are in potassium iodine until recently. I grew up on well water and did not develop abnormal conditions until I was living in areas that had only “tap”.
Flourine, bromine, chlorine did G*d intend that to be in your body?
Iodides will kill the microbes..end of story.