I went looking for Potassium Permanganate for field sanitation a few weeks ago... The stuff is a real scavenger hunt item. Can't find it anywhere. I have asked pharmacists and hardware stores and come to find out it is illegal to sell because when mixed with fertilizer it goes boom. (As if there aren't a million other ways to make explosives) After reading about how close effective doses are to toxic doses I decided against KMnO4 in my first aid kit. Still I would like to have a good oxidizer for water treatment. Any sugestions?
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