I must have misunderstood this statement "Aluminum is tricky to learn. It does not turn red hot. It gets shiny and next you know, you have a big hole." You might want to look into a Tig class.
I always preheat the aluminum I weld, if it is thin I will preheat it with the Tig torch before I try to make a fluid spot to start welding. I once did a coffee pot strainer. The center was broken out where the stem goes down to the bottom of the pot. I used a 350 amp syncrowave Miller, turned down to 15 amps if I remember correctly. For filler rod I used a piece of .035 aluminum wire. That aluminum was a lot less than 1/16 and I preheated it.
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