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Old 08-09-2020, 10:15 PM
Doug D. Doug D. is offline
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Join Date: Mar 2012
Posts: 6,188
Default Re: Removing “Exfoliated”, Hard Rust Buildup

This is some major sulfur putting. Metal has been dissolved and reformed by the sulfuric acid created by use over a sulfur containing heating fuel. It's not going to come off and reveal anything underneath. Electro should remove whatever rust is present among the pits, but that's about it. I wouldn't expect chiseling at it to result in anything positive. It can still be an acceptable user, just a rather homely one.
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