It is a very simple and Low cost way of disinfecting small volumes of water. Radiation in the spectrum of UV-A (wavelength 320-400nm) and increased water temperature.
Minunurisho katika spektramu/spectrum ya UV-A (mawimbi/wavelength 320-400nm) na ongezeko la joto la maji. Mambo yote haya yanaharibu vinasaba/DNA za vijidudu.