Detergent expert? Not even close! However, my father worked for Fridgidaire (as a service manager for the northwest block of US states) for about ten years and he learned about more than just refrigerators.
UV lights have been discussed before, I thought. I just didn't think they were practical. Too much power, and too much danger. UV-C (the type of UV that will actually kill bacteria) is also dangerous to people.
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