Pyro Essentials: Obtaining Potassium Nitrate (KNO3)

Potassium nitrate (KNO3) is a pretty easy substance to get your hands on. In this video I'll explain two reliable sources, one of which I use to stock my supply. I'll also tell you about the powder that many people buy, thinking that it's potassium nitrate when it's actually sodium disulfite, a useless white powder that's not good for anything except killing tree stumps and looking at red blood cells.

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