Video: Extraction of Nitrates from Soil (The Old Way of Producing Saltpeter)

This extraction is quite a hard nut to crack and needs trying, but it's practically free, and yields nitrates! For anyone that can't buy them in store (anymore) it's a great option and a skill to learn.

I hope you like the video! Have a nice one.

Link to the full resolution conceptual map: https://photos.app.goo.gl/eb9CoE1sBjTwjKAy8

Read more on the theme of historical saltpeter extraction here: http://firearmshistory.blogspot.com/2016/02/what-is-saltpeter-man.html http://salt.org.il/frame_saltpet.html