Fluoride, forget it, what about the Dihydrogen Monoxide it's dissolved in. That's far more dangerous (and I bet someone's trying to sell a filter for it also ;) ) http://www.dhmo.org/facts.html Pete. _______________________________________________ Aquatic-Plants mailing list Aquatic-Plants at actwin_com http://www.actwin.com/mailman/listinfo/aquatic-plants