udjusting forge for reducing flame

verndahl

AKA tintin
Used my big forge again (it's been a while) and remembered that it alway left a lot of oxidation. I use a Zoeller style burner if that help. I can adjust the air intake on it. What am i looking for?

on a different topic, would 3 inches of insulation on a forge make much difference compared to 2? I'm thinking of building a slightly bigger mini forge.
 
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