any animal urine, even human, and of course chicken manure can be rendered into KNO2.
Anyone have any other good recipes that use salt petre?
Add some sugar to it and it makes a really nice smoke show (just don't do it in the house it gets messy, I know)
No pharmacies sell saltpeter around here, and where did you ever find sulphur at a rail yards? I'd sure like to know
And in discussions with a Gov't bureaucrat, ongoing, it appears it is a criminal act to make your own BP without multiple hoop jumps, and fees/licenses... I'm still researching this.



























