Dull welds comes from poor prep or gas issues, Clean steel with alcohol before welding, My PowerMIG 260 welded better after cleaning, Use 120 amps for 1/8-inch stainless, Set wire speed to 240 ipm for stability, Use 25 CFH argon for coverage, Check polarity for correct settings, Ensure clean joint fit-up, Use wire brush for prep, Verify regulator functionality.
