Hey, I have searched high and low and cant find anyone that has done whats in my head. I am mainly posting this for the guys that can tell me "why not" to do this. I am picking up 2-250 gallon tanks today that are being given to me. My plan is a reverse flow trailer build, But i cant find anyone that has used a 2nd tank (even cut down to size) mounted vertically to the end of your horizontal tank to be used as fire box and warming box. The vertical would have 1/4" plate sealing the bottom for a fire box, and the top be used as warming. With doors, vents and all that good stuff, why would this be a bad idea? Thanks folks! and cant wait to learn from yall!