LiveLife
Member
I have found dry walnut tends to clean better and corn cob tends to polish better.I will probably go the walnut/Nu finish route first to see how it works.
By adding liquid NuFinish polish to walnut, I get fast cleaning and polish in one. For around 600-800 9mm brass in my Berry's tumbler with fine grit walnut media from Harbor Freight, 20-30 minute tumble will clean and lightly polish the brass for reloading. If I want better polish, I will tumble for 1 hour.
Other benefits of residual NuFinish on brass surface is that brass tends to size easier (even for 9mm) so I do not need to use any lube for pistol brass with my Lee carbide dies and brass stay polished longer without tarnishing for months (years if stored in tightly closed containers).