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Here's a quick question for an expert... I get a good bit of molten slag or scale in my forge. I've been forging meteorite iron and I'm not sure if the liquid in the forge is molten slag or molten scale or something else. I use to think it was excess borax from welding, however in my new forge I get a good amount of this molten material and I haven't used any borax flux. I typically scrape most of this liquid out while forging. I'm surprised how much there is. I keep the forge really hot because of the nickel content of the iron so I forge at welding temperatures pretty much all of the t