Uuuh phosgene... NOT NICE! Thanks for that advice, I will definately use acetone from now on! Brake cleaner was just convenient because it comes in a spray can, but to hell with convenience in that case. The tubing that i have been welding was never zinc coated. That cold drawn stuff (new and bought...

Hi Jody, I discovered the existance of your superb website way too late. It is absolutely awesome for a non-professional guy who enjoys welding (like me) and much appreciated! Short introduction: I am a hobbyist welder who got taught basic TIG techniques during a 3-day workshop and pretty much selft...