Happy to hear so much feedback on what was seemingly an obvious topic. I kept in mind your reco's and went to my local work safety outlet. I was hunting for Static dissipating. Having no luck I tried a few "ohm" boots on. Finally I decided on a pair for around 160 and was somewhat satisfie...

IM NOT SURE WHEN ITS A GOOD IDEA TO GET SOME STATIC DISSIPATING BOOTS. DOES ANYONE HAVE SOME ADVICE FOR THIS NEW WELDER ?

I took the cylinder back today and got some new gas. Like a shining pearl the aluminum opened its kerf for me to see.
I have illuminated and pinpointed the problem thanks to the forum.

Most gracious
Darcy

Not sure if the tank held 75/25 before?

I will definitely take a look into water contamination. Sounds likely.
Thanks for tips.

I went to the local gas dealers during work hours to get a full argon tank. Back at work I start welding and there is black residue spotted on the weld surface and it must be getting inside the welds too. Before the refill the welds were getting along and clear. I tried adjusting the gas flow up and...