Posted by Todd Miller [172.69.34.54] on Monday, May 23, 2022 at 16:43:28 :
In Reply to: Re: rust removal posted by Jerry in Idaho [108.162.245.251] on Monday, May 23, 2022 at 15:37:56 :
I gave in and Googled it.
"The cathodic precipitation of insoluble black substance onto iron artifacts that are being electrolytically de-rusted is the major problem with sodium carbonate electrolysis."
Guess I am going to switch to washing soda for my next batch.
Follow Ups: