Poland308 wrote:Or wind / fan air movement. But definitely a gas issue.

Yes, I agree but it's 100% argon going into the hose. I'm tempted to swap the bottle for a new one but it could be a waste of $100. I've heard of problematic bottles but I've always thought they were a myth.
No airflow in my shop.

You haven't said what size cup you are using, but 6 l/min is likely not enough. Up it to 10 l/min and see if that helps. Thanks for your response. Cup size is 6. I think I've tried it at 10 lpm and it was no different. I've tried using my other inverter and the result is the same. So it's not the m...

Hoping for some advice. I tried some TIG welding on my inverter last year and it worked well. However, I've just set it up again in exactly the same way and the welding arc is terrible! The torch, the machine, everything is the same as it was last year. The only new element is the gas, a brand new b...