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- #21
Pretty sure I'm safe with the Sweets. It was an over 20 year old bottle , had no ammonia smell to it and when left on bare mild steel for 2-3 hours it didn't affect the surface. It is listed as a copper and powder solvent. I've seen a lot of YouTube bore scope videos where there was evident microcracking/checking in the bore . I was surprised that my bore doesn't have any of this. I know..... if it ain't broke , don't fix it... but once you realize what you have, the rabbit hole is deeper than you wanted to fall into.