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 ...
Information on ultraviolet (UV) radiation is essential for our lives under the Australian sun. We have one of the highest levels of UV exposure and highest rates of skin cancer in the world. Sun ...