hey how you doing? sorry i dont have any answers for you but im having the same problem! figure it out yet?

Hello everyone, just joined this forum and so far looks really cool. I have a hobart auto arc 130 welder (used) and i tried welding with shielding gas. (75/25). every bead i lay black or brown soot is always around the bead, but the bead looks decent without pinholes. my first thought was my welds w...