Quote Originally Posted by jasbus View Post
You really didn't even need a regulator. Just a new style tank($50 shipped on eBay), and just start trading in at the weld shop for $15-$20 filled. I just use a kitchen water supply hose on the valve, and cut the other end off.
The tank I got just has a big open valve so if you slipped and opened it all the way it jwould ust shoot out at 600-800 psi. The regulator lets me have more control and it was cheap enough.