no I know I had it switched back and I think it has to be the regulator. I ordered a new flowmeter to try out. thanks for the help

not porosity but a kind of sooty even on steel it didn't look quite right and the tungsten gets dark grey after I strike an arc with a fresh ground tip. When I run a bead on aluminum as the bead forms you can see some black floating around in it. The rod is new and clean, everything is new and clean...

I am new to tig and have a dynasty 200dx. My first few times using it everything was going well and I was doing decent with aluminum. Then I went to use it another day with aluminum and all the beads were looking like some contamination even after changing flow rates and other things to fix the prob...

I have never used 707 rod but have access to some and was wondering if it is worth bringing home a handful. I looked it up and it sounds like a good all around rod. Any thoughts?.....also thoughts on royal 220. thanks

thanks for the responses, I ordered a gas lens set since I neeeded cups anyway so I think it was a good idea. Also what about the helium/argon mix, it sounds like it's only for aluminum but haven't heard an answer yet. Thanks

Another question, helium/argon mix is only for aluminum or can it be used on steel?

I am new to tig welding and have been doing my research but have a question I hope someone can clear up. What is a general guideline to use to choose what size gas cup and flow rate. Also if you use a smaller cup do you lower your flow rate because of the smaller oriffice or turn it up? I have only ...