Maury S Posted February 18, 2015 Share #1 Posted February 18, 2015 I've run into a problem blackening some brass parts. I've done it hundreds of times before without a problem. Sand or file the pieces, pickle in vinegar for an hour and rinse. Soak in Acetone for an hour and rinse. Put in 1:5 dilute Blacken-It for an hour. There is a reaction, but the result is a pinkish color, not black. Does Blacken-It go bad? Mine's 5 year's old. I understand it's not sold any more. I used Apple Cider vinegar the first time and thought it might be that, but a repeat of the process with white vinegar produced the same result. Any thoughts? Maury Quote Link to comment Share on other sites More sharing options...
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