i used some birchwood and case rust and blue remover but after that i washed them with some dawn dish soap and warm water a few times to get off what ever residue might be left. after getting washed they were dried in a towel then set out over night. the rust may have been a tiny tiny film of surface rust that came over night. but the second batch had the same red coloring but with alot of bule mixed with it. i am wonderign if it has anything to do with the raw coal i am using or just poor cleaning
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