How to make gunpowder in the wild (all it takes is charcoal, sulfur ...
Begin by grinding charcoal (grilling charcoal works fine) and sulfur to a fine powder. Then grind the tree stump remover into a fine powder. Finally, gently mix the saltpeter, charcoal, and sulfur together in a 75/15/10 ratio (nitrate/charcoal/sulfur). Making gunpowder with salt, sugar, and a cold pack