Does walnut shell media wear put?

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+1 for running the tumbler outside with the lid off. Pretty much eliminated dust deposits on the cases for me.
 
Having used walnut and corn cob both, I get the absolute best results with corn cob (which I got from Drillspot), and about a teaspoon of Mothers Mag and Aluminum Polish. And before anyone goes off on the Mothers, I already received first hand word directly from the company that it does NOT contain ammonia.

My brass comes out looking brand new!
 
Didn't have any dryer sheets, so I just took an old paper towel and tore it into 1 inch strips- worked great! Came out VERY DIRTY!
 
The crushed walnut at the local feedstore chain costs $17/50# and lasts a very long time between changes.

The cut up used dryer sheets is the only thing I add to it. At first, they will come out tan and full of walnut dust. Later they come out slightly gray because most of the dust is now gone and all that shows is the powder soot and primer soot which comes from the Lead Styphnate. Probably one of the greatest sources of lead poisoning for reloaders unless you grind down lead bullets and eat the dust.

I used to add NuFinish to the media to cut down on the dust and polish the cases to a bright shiny finish, but the media became dark brown, then black much sooner because the soot was sticking to the walnut. Now I'm happy with just clean rather than clean and shiny. Actually, if I simply ran the case in the tumbler for 4 hours rather than 2, they would come out very shiny.

If you want your walnut shells to last, go with the cut up used dryer sheets and if you insist on polished cases, run the cases through a second batch of walnut media treated with NuFinish. That way the treated media won't pick up and hold the soot (and Lead Styphnate).

Finally, if you have a 50# bag, put the bag in a plastic or steel drum to discourage wandering rodents from chewing through the bag and spilling the stuff out. :)
 
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