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Re: Sunlight Sterilization of Water
Dudes, and possibly dudettes, you seem to think that all UV is created equally. There is UV and then there is UV UVC and even shorter wave lengths is what is used to sterilize water. UVA and UVB rain down on the earth all the time, a great many microbes have adapted to them and are very resistant to them. The UV in sun light is not particularly germicidal. it can be on some organisms but to rely on it to sterilize water I am going to drink..... well you drink it not me..... Even if you are using germicidal UV light from a dedicated UV sterilizer it can be very tricky to get 100% sterilization even in several passes. i helped designed a UV sterilizer for the DuPont company when i worked there, It was a very difficult to achieve 100% , even tiny globs of organic material can protect microbes from the UV. If you must use sunlight use it to boil the water do not rely on UV in sunlight to sterilize anything.
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Michael
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