The UV water purifiers use short wave UV rays to kill bacteria by altering their DNA
. It is a popular method as it retains the taste of water. The UV water purifiers have a lamp with a UV intensity higher than other the suns and kill the bacteria through germicidal radiation process. The process is certain to kill bacteria and make the water safe for consumption at all points. It is very cost effective and the most efficient method of water purification. All biological contaminants in water are unable to develop a resistance to it and hence you are assured of proper water purification.
UV water purifiers disinfect water without addition of any chemicals or the use of heat which means that the taste of the water is retained. The UV water purifiers are able to work much faster than other water purification methods. It also retains the chemical composition of the water together with the pH properties of the water.
A good UV water purifier is up to 99.9% effective and lasts for long making it a worthwhile investment. There are also energy efficient UV water purifiers which make use of solar energy reducing the cost electricity billing. If you like camping, travelling or hiking you can carry a portable UV water purifier to avoid falling sick from any water contamination making it a perfect option. However you must ensure that the water is pre-filtered for sediments as the UV water purifier is not equipped to do this at all.