Don't know if it's worth really getting horrible frightened of. Most of us have municiple water with flouride. Other than drinking water and toothpaste, the only other consummer products that contina it are poisons for rats and the like.<br><br>As for purifing with bleach, well, chlorine vapors were and are used as a cemical anti-personnel weapon. Granted, the concentratino isvery low, and fine for most people, but not for all.<br><br>All in all, if you are thirsty, and it doesn't disolve your tounge, do what you can to purify it, and hope it doesn't kill you. <br><br>(Glad I have my own well, with the only "bad" thing being a enough iron to beat on the pipes and keep us all from being anemic.)