"*If you do not have Fluoride in your water supply, you will still benefit from this system, since our unique FluorSorb(tm) media in this system also addresses negatively charged radioisotopes like Plutonium and Uranium, providing a wide-spectrum of radiation filration, as well as Arsenic and other contaminants, and, because it is a calcium based media, it helps raise alkaline pH naturally. _______" . . . .