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  • Did some practice beads.on an old scrap frame (Dawes MTB) and had a lot of cracks. Maybe only 2 beads out of 10 were uncracked. I messed about with settings but couldn't seem to shake it, which made me think it was the rusty inside :D

    don't have the kit to backfill it

  • You don't need that to get decent welds. Buy some clean proper test tubing.
    I started with 4130 plain guage. It is worth knocking out a bunch of t-joints imo

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