most metal washtubs have a galvanized coating. This may have some harmful effects ( in the smoke) until its burned off. That said the metal of the tub would likely not stand fire directly on it for very long. Some gravel/bricks/rocks would be best for the bottom. At this point I at the end of my knowledge. Others with more experience will likely have even more ideas.
most metal washtubs have a galvanized coating. This may have some harmful effects ( in the smoke) until its burned off. That said the metal of the tub would likely not stand fire directly on it for very long. Some gravel/bricks/rocks would be best for the bottom. At this point I at the end of my knowledge. Others with more experience will likely have even more ideas.
Here you go!
https://youtu.be/Cw_PN99wpwg
https://youtu.be/1Fwn1o8Kx5Q
https://www.instructables.com/id/DIY-Backyard-Fire-Pit/
https://www.youtube.com/watch?v=fFPJU6o3WKg