The gas tank set up looks really cool. Hard to tell how he has it rigged. I mean, are there pumps or something? Does it draw off of 1 tank, then the others flow into that? Switchable? Any thoughts?
https://spacecoast.craigslist.org/boa/3303222493.html
https://spacecoast.craigslist.org/boa/3303222493.html