Originally Posted by maniac57
Flush out the tank with water before welding or even fill the tank while welding (but be sure it's not sealed or pressure will build up). You MUST get rid of the fumes before welding. If you can smell gas, DON'T WELD ON IT! A muffler shop MIG can fix this if you can find one near you, and it should be fairly cheap. Good luck!
Will I need to seal the tank or can I get away with no using sealer.