Thank you...truly appreciate your inputs and recommendations.

ER70S-6 on order and lubricating the elbows in preparation of creating a deeper clean

I noticed amber crystallized looking deposits, in the bead images provided at the onset of this thread. Can someone identify potential root cause of these amber deposits, as I also observed these in my first couple of trial beads? Material: Mild Steel plate (Hot Rolled - A36) (0.125 in.) Cup: #5 Tun...

In the images provided at the onset of this article, what are the brownish crystal-like deposits and possible root cause of these?

New to TIG welding and have observed these in my first few practice beads on mild steel as well.

Keep up the great work here!