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10/4/2008 12:27:21 PM EDT
I like clean brass baby!  Tumbling in walnut gets the grime off, but the brass is still dingy...so I tumble it in corn cob afterward to get it shiny.  How long can walnut and/or cob media be used before it should be discarded?  Every time I have "recharged it with Nu-Polish or mineral spirits it seems to get clumpy or leave a residue.  Any advice?  Thanks.

Blake
10/4/2008 3:04:13 PM EDT
[#1]
I only add media polish once when the media is fresh. I use walnut media.  When the media takes more than 6 hours to clean brass effectively I consider it dirty and replace it with new media.  I never added polish to dirty media
10/4/2008 3:49:45 PM EDT
[#2]
Use comet. Your cases will shine like new, inside and out. I dunno, maybe you could mix comet with the walnut and add water?
10/4/2008 5:51:24 PM EDT
[#3]
I use about a cap full of Flitz in my walnut media about every second or third load of brass.  After about two or three hours they shine like the sun.  I make sure not to over load case cleaner, about 100 .223 cases or about 150 - 200 pistol case, depending on caliber.
10/4/2008 6:35:38 PM EDT
[#4]
I'm using walnut and either turtle wax polishing or turtle wax rubbing compound. I'm running the big lyman and can usually get six to eight runs of brass through it before I need to change media.

I used to use flitz/brasso/etc. but read something about ammonia based cleaners with brass.

10/4/2008 7:19:46 PM EDT
[#5]
I change media very rarely.  I've found that Nu Finish car polish works wonders along with some fregrance free dryer sheets cut into 2" squares.  Put a couple of those in the media with a cap full of Nu Finish and with corn cob media the brass will look better than new in 2-3 hours.

The dryer sheets suck the grime out of the media and help to keep it clean/dust free.  It's worked for years and lots of reloaders use this recipe.  
10/4/2008 8:22:54 PM EDT
[#6]
I use dryer sheets and a dash of Bon-Ami in every batch of mine and I'm still using the same media about 2k rounds later. It gets darker, but the dryer sheet picks up a ton of gunk, and the Bon-Ami acts as a light polishing compound, so it works better and lasts longer than plain, IMO.
10/4/2008 9:58:56 PM EDT
[#7]
A couple of cap fulls of Flitz in both the walnut & the corn & don't forget to toss in a quarter or half a used dryer sheet each time. Don't waste your time using media that's not treated with something. I use my media until it just quits cleaning, however long that might be.
10/5/2008 1:03:02 PM EDT
[#8]
If I have cases that are tarnished, they soak in plain white vinegar for a little while. Rinse, dry and throw'em in the tumbler with walnut media. I do as AssaultRifler said . . . one addition of polish to the media when new.

10/7/2008 9:43:13 AM EDT
[#9]

Quoted:
I'm using walnut and either turtle wax polishing or turtle wax rubbing compound. I'm running the big lyman and can usually get six to eight runs of brass through it before I need to change media.

I used to use flitz/brasso/etc. but read something about ammonia based cleaners with brass.



What's wrong with Brasso/Flitz/etc?

I just started tumbling with Brasso..it was the only polish I could find around here

Please tell me I didn't just waste 500+ unfired and once-fired .45acp cases..

10/7/2008 10:16:28 AM EDT
[#10]
After tumbling, does anybody rinse off their clean casings to get any dust off, or just hit the press?

Blake
10/7/2008 11:31:11 AM EDT
[#11]
Yeah, I rinse mine with compressed air.

To the Brasso comment,  Ammonia weakens brass, but no one knows to what extent or a decided length of time.  
Some people here use ammonia products and said they've never seen a failure due to it...
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