9/8/2023 0 Comments Does sunlight kill moldFor mold destroying UV light sanitizers, the most widely used wavelength is 253.7 nanometers when used as an surface/air disinfectant. The wavelengths are of various sizes - between 100 and 280nm - and known as the Germicidal UV-C that kills microorganisms. Ultraviolet light uses electromagnetic waves to penetrate through microscopic organisms such as mold. Reason 4 - UV Light Uses A Short Wavelength of Light As mentioned earlier, you don't want to be exposed to powdery mold when cleaning it without wearing PPE (personal protective equipment).Ī popular UV-C light product for homes are HVAC UV light sanitizers. These UV lights are installed in the air conditioning ductwork and kills mold on the surfaces of the duct but can also kill mold in the air. One common characteristic of mold exposed to the human body is itchiness but also coughing, sneezing, wheezing, and other allergic symptoms. Mold spores are the reproductive units (similar to seeds) of the fungus, and these spores can be allergenic and toxic to humans if inhaled. Reason 3 - UV Light Kills Mold Spores In The AirĪnd ultraviolet light won't just kill mold on surfaces, but it can kill the mold spores floating in the air. If you disturb mold while it is still growing, it can release harmful spores and mycotoxins into the air which may circulate throughout the entire home - and into your lungs. The great advantage of ultraviolet light is that you don't have to use harsh chemicals or go anywhere near the mold when it is still active. In general, it will take 1-3 hours to disinfect fungus using ultraviolet light. When you come back, the mold will be disinfected and ready for cleaning or removal. If mold is in a basement, bathroom, or crawlspace, you can leave an ultraviolet lamp in the area, use a remote control to turn it on from a safe distance, set a countdown timer on the unit (turns off automatically), and just leave the home. Since UV light is a specific wavelength of light, it can kill mold or mildew from a distance.Īnd when it comes to black mold, no one wants to go near the stuff. Reason 2 - UV Light Destroys Mold From A Safe Distance Sunlight is a great natural disinfectant that has been used for hundreds of years. Over a matter of hours, the water became sterilized and safe to drink. Wild where the host disinfects stagnant water by placing a clear water bottle in direct sunlight. I remember watching a television show called Man Vs. In fact, mold destroying UV light from the sun will also destroy bacteria, viruses, and other types of fungi. This is known as ultraviolet light which has a shorter wavelength than the light humans can actually see. Have you noticed that you only see fungus growing in shaded areas?Īnd even though fungus dies in sunlight, it is actually the invisible portion of the light spectrum that destroys the mold. Mold can't grow in direct sunlight because it naturally contains UV light. Reason 1 - Sunlight Is A Disinfectant And Contains UV
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