Ultraviolet light can kill mold in air and on surfaces.
It’s effective at treating the mold you know about, and can help kill mold, including airborne spores that you can’t see.
Does UV light kill black mold?
Unfortunately, not all mold spores will be eliminated by surface cleaning. In these cases, ultra-violet (UV) lamps are effective in killing mold and mold spores. UV-C lamps, which provide UV light on the C-bandwidth) are best for dealing with mold problems, as other types of UV light don’t damage the mold enough.
How long does it take for UV light to kill mold?
The amount of exposure time required to destroy the mold varies greatly for the different types of mold. Some molds are destroyed after a few seconds — others require 8,000 seconds or more. The air traveling in an air duct is moving at a minimum of 100 feet per minute.
Can you find mold with a black light?
While you can easily spot some mold by its moist, brown, black or gray appearance, some mold may not present itself to the naked eye, particularly if it lingers inside walls. A black light can help you spot this hidden mold.
Does light prevent mold?
Yes. While it is not as effective as sunlight, a constant source of artificial light can inhibit mold growth considerably. However, if mold has a source of food and a moist, warm environment, colonies will eventually develop regardless of lighting, thought at a slower pace.