paragraph_text: Flaširana voda (kupovna voda) obično ima nepoznate razine fluorida, a neki filteri za vodu u kućanstvima, uklonjaju neke ili sve fluoride iz vode.<ref>Hobson WL, Knochel ML, Byington CL, Young PC, Hoff CJ, Buchi KF. Bottled, filtered, and tap water use in Latino and non-Latino children. Arch Pediatr Adolesc Med. 2007.;161(5):457–61