Ultra Violet Water Purifier - Go Green, Save Your Green http://www.information2information.com/articles... If you don't trust (and you shouldn't) tap water, use a combination of carbon-block and ultraviolet water purifier; you can rest assured that your drinking and cooking water is as safe as it can be Most people don't like tap water for various reasons: it tastes bad, it smell like rotten egg, there might be (and there are plenty) of some stuff that shouldn't be there such as heavy metal, chlorine or chloramines and its by products, bacteria and viruses, trace of drugs