I use the 80/20 argon mix. It seems to help with my marginal welding skills. You just cant get professional results from flux core wire. At least that was my experience. Crotchity is all in the way the new world communicates. Welcome to the internet. What I do is just ask my stupid questions anyway, and someone will stoop to my level and actually answer with helpful info. If they don't the first time, try again.
