Crelow: Maybe we should all take our gas tanks to a firing range
\

If this FAILS : Silver Solder the snot out of it then add JB weld then smear goo all over the JB Weld and top it off with Bubble Gum.

I swear I know what you feel like ! It's why I find humor in it all.
One knows there is a solution and keeps trying things. Been there done that. Keep smiling. Our non leaking tanks are all just waiting for a inopportune time to sprout a gas fountain.