Ultraviolet light, at the germicidal wavelength of 253.7 nanometers, alters the genetic (DNA) material in cells so that bacteria, viruses, molds, algae and other microorganisms can no longer reproduce. The microorganisms are considered dead, and the risk of disease from them is eliminated.
The Need
It is proven scientifically that 85% of child sickness and 65% of adult diseases are produced by water-borne viruses, bacteria and intestinal protozoa such as Cryptosporidium and Giardia. Inappropriate water treatment can lead to heath problems - hepatitis B, tuberculosis, meningitis, typhoid fever, tricomoniasis, and cholera, glaucoma, gastrointestinal pain, salmonella, poliovirus, and diarrhea.