I would get strange looks in restaurants when using it overseas as well but never got even remotely sick. I could care less what people thought of it weather I'm in the jungle of Philippines or Mexico or in Europe at a bar, if I don't know where the water came from, I treat it.
I could see the utility of having it for disinfecting drinking water in such cases.
When I was in China and rural Mexico I brought a small pump type water filter with me. I only drank beer, near boiling hot drinks, bottled water, or soda in public places. The filter was used when I did not have access to those sources. The thing is that even if the water is disinfected, there is no telling if the glass you are drinking from is. or the dishes you are eating off.
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Warning - I am not an expert on anything having to do with this forum, but that won't stop me from saying what I think.
Bob
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