The Best Black Light Germs Bacteria References. Web mark condit uses a black light to demonstrate how germs can spread without proper handwashing. Uvc light has also been shown to inactivate the genetic material in other coronaviruses.
Web uv light has been used for decades (yes, decades!) to reduce the spread of bacteria, such as that which causes tuberculosis, according to the u.s. Web wavelength research suggests that the wavelength of black light and uv light can affect their germicidal properties. Why do they call it a black light?
