Whizz Bang! How to make gunpowder from urine (it takes a while)

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This is real SHTF prepping. Cody lives on a wild tract of land and has been working on ways to protect it. He wanted to be able to make gunpowder if the whole world goes to H-E-double hockey sticks. Turns out that knowing some chemistry and having a can-do attitude can really come through for self-reliant types. This video is quite long and I hesitated about posting it and the sequel but it’s an incredible primer for making gunpowder — and for using your brain to overcome obstacles.

and here’s how to extract the rest of the nitrates and make sulfur for a much better bang.