tumbling additive?

I suggest just about ANY liquid auto cleaner polish, they all work well.

Many here suggest Nu-Finish tho.

Nu Finish--
Cut a used dryer sheet in half, about a 1/2 cap on one of the halves, wipe your hands on the other half, add to tumbler, couple hours latter, shinny brass, and it keeps the dust down. Too much polish, and you will get some tar like stuff on the brass after a while. Zilla is pretty good, I use it, a little dusty, but a good value and works as good as any.

+1 on the dryer sheets.

NuFinish, a couple capfull's of mineral spirits and a cut up dryer sheet. The liquids should be mixed thoroughly with the media before adding any brass.

I'm another one who adds nu-finish to give a lasting shine to my brass. I also keep a second batch of walnut for tarnished and really dirty brass. I treat this walnut with turtle wax polishing compound. It comes in a round, flat container like rubbing compound, but much less abrasive. It's a thick paste so I thin it with mineral spirits before adding it to the walnut shells. I run most of my brass for an hour or two in the polishing compound then switch to the nu-finish till it shines. When I'm not polishing brass I keep the media in large coffee cans and label them according to what's mixed in them.

Nu Finish and a USED drier sheet.

I used the Lyman brand treatment (which smells suspiciously like trumpet valve oil) until I ran out. I need to do some tumbling, so I ran some dry and....it worked just fine, if a little dusty. I'll grab some Nu Finish when I remember to.

I always preferred dry walnut for cleaning brass, and corncob with NuFinish for polishing them shiny. Whatever media and additive you use, let the tumbler run for awhile with no brass to let the media and polish mix together well, so you don't get polish clumped in cases.

Chrome polish

For many years I purchased special Brass polish from the majors and it was pretty expensive, usually around 10 dollars for a few ounces.
Having had some metallurgical experience I already knew that many of the home brass cleaners could not be used due to the ammonia in most of them.
About a year ago I was totally out of polish and went looking in the garage and I had a can of Turtle wax Chrome polish. I added a few drops to some new Corn cob media and wow, several hours later I had really bright shiny brass.
My cases now come out if the media cleaner and shinier than when they were new.
The best thing is that a 10 to 12 ounce can is only $2.97 at mosy discount stores.

Fishslayer said:

Nu Finish and a USED drier sheet.

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This is what I use as well. Works good with Zilla ground walnut. Clean and dust free.

What'd I tell you, most everybody says Nu-Finish, but again any liquid auto cleaner polish will work just the same. Try it before passing judgement.

Actually even the paste cleaner waxes work just as well, but harder to get distributed in the media.

I use the fine walnut hulls from Harbor Freight and Nu-Finish. Once the media starts to get dirty, I add some powdered cleaner (like Ajax or SS cleaner) that costs less than $2 for a can. I use this to clean really dirty brass. The brass comes out with a brushed look rather than a shine. You probably won't need to run as long as you think as the powdered cleaner is more abrasive.

I then lube and resize the brass. Next it goes back to the cleaner with fresh walnut hulls and Nu-Finish. Comes out really nice. It sure does extend the life of a batch of cleaning mixture and cuts down on the polishing time.

Not too much Nu Finish, or the brass comes out with a hard coating of sticky dirt.

Flitz

I use flitz in the walnut and corn cob. Beautiful Brass.

SAFE SHOOTING ALWAYS

MR835 IS GONE

Nu Finish & a used dryer sheet.

(but I like corn cob rather than walnut shells.)

i like this idea, as there are times i have some pretty nasty brass (found, not mine). i will set up a container of media specificly for this purpose. thanks!
no one has said anything about metal polish, like flitz, simichrome, or jewlers red rouge. i have some of all the above, can anything (besides cost) bad be said about any of those??

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Not sure if those do or not but the auto polish stuff leaves a light film of wax/polymer that retards/eliminates tarnish.

I buy brass case polish made to add to tumblers. I've used Frankfort Arsenal polish from Midway and Case Polish by Dillon. Using automobile products doesn't save you anything when I've made my cost comparisons. The stuff from Midway looks like it is a mix of wax type polish you'd use for a car and the orange based cleaner that you find to remove grease and oil from your hands. You don't use much of it except maybe 3 or 4 table spoons when first using the dry walnut shells from the pet store.

Zilla plus 1/2 sheet paper towel ripped into 4-5 strips + Dillon case polish. Works well for me. May switch to used dryer sheets though

Lizard litter, Nufinish and a used cut up dryer sheet has always worked for me.

For 10 years I have been using a capfull of Turtle Wax Chrome Polish with corncob media in both my Thumlers Tumbler and my Vibratory Tumbler. All the brass is shiny clean and it stays that way after a few years.

I have used Brasso for 20 years. can be bought almost anywhere.

I have used Brasso for 20 years. can be bought almost anywhere.

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Brasso contains ammonia. Ammonia degrades brass, thereby weakening the case. But if you let the ammonia evaporate then all you have left is the polishing compound. Might as well use jewlers rouge. Nothing in Brasso retards tarnish, how do I know this? Eight years in the military.

However you claim to have been doing it for 20 years now, so it must work for you. But then how many times do you reload your cases?

This stuff is the best you will find for polishing brass. Also coats the brass to keep it from dulling again.



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