The exceeded food causes the growth of algae, bacteria, parasites, viruses and other microorganisms, making the water less clear and full of bad odors. A UV light can clean the water up, keeping a ...
★【INVISIBLE BUT POWERFUL 365NM LIGHT】-- The 10W high power uv 365nm light is invisible to the naked eye, so that it is not as BRIGHT as the 395nm flashlight, but more perfect for demanding ...
The Lewisburg Area Joint Sewer Authority intends to change its disinfection process from chlorine gas to ultraviolet light, a move that it says would be safer for both people and the environment. The ...
S.K. ANSWER: You’re not going to like my answer, because all types of UV light exposure, whether they lead to a sunburn or suntan, cause damage to the skin and lead to an increased risk of skin ...
Light therapy for psoriasis is an effective treatment. Ultraviolet (UV) light therapy (phototherapy) involves exposing the skin to controlled amounts of UV radiation similar to that from the sun. It ...