In article <5701im$pcp@news.chatlink.com>, soltherm@chatlink.com (renewable ) wrote: >I have the feeling that tough Ultra Violet Purifiers, >eliminate most dangerous disease causing agents, >onl boiling water (pasteurization) is 100% effective. > >Does anyone have an opinion? > >dsg > The lenght of time the water is boiled is critical as is the exposure conditions for UV. RMVF