It is the best that  the quality of well water can reach the standard of tap[water, if not, it will

Shorten the life of filter element.

Biochemist doctor Herbert Schwartz’s research indicates that: human body absorbs excess chlorine will trigger cancer, heart disease and presenility. “Adding chlorine into water is like starting a time bomb. The kind of spiritual and physically  harm of  cancer, heart disease and presenility is due to the water that is dealt by chlorine, it makes us have the signs of aging when we are still young, such as arteriosclerosis.” Filtering accuracy of Chanitex purifier is 0.0001 millimeter, it can filter all the chlorine from water.