Never heard. Googling "Huffing Bleach". And indeed it really seems to be a thing. Anyways in Finnish Army Guerrilla Book you need only one drop of bleach for e

Never heard. Googling "Huffing Bleach". And indeed it really seems to be a thing. Anyways in Finnish Army Guerrilla Book you need only one drop of bleach for every 250 ml, and 24 hrs, to make it totally safe for any kind of use.