Burning your red doesn't have much to do with your settings, but with how long you work it. The longer in the flame, the more liver colored.
As to the other issue, I was taught that gold pink is the canary you should use to set your flame. If it gets the least bit reduction, it turns metallic. If you can keep it translucent, it's oxidizing.
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ESC
Soft glass on a Minor/concentrator since 1996
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