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Crazycastor 04-23-2013 03:57 AM

tarnished brass
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Found some brass out in the desert. Looked to have been out there for over a year. The brass was all tarnished and black looking. Picked it up and put it in my tumbler. I ran it for hours and that tarnish would never come off. So came up with this bright idea of putting the brass in a zip lock storage bag and put ketchup in the bag till it covered up the brass. Mixed up the ketchup and brass and let it sit for a couple of hours. Rinsed it off and put outside to dry. Placed it back into my tumble and in about an hour this is how it looks. Works great. Anybody else try this?

rangerXLT91_05 04-23-2013 04:36 AM

Just out of curiosity, what made you think to put it in a bag with ketchup? The acids? Really interesting that it worked so well

kytowboater 04-23-2013 04:46 AM

Lemon juice and water will work, as well as red kool aid.

Crazycastor 04-23-2013 05:13 AM

When I was in the military we used that on the brass pipes for inspection when we were out of brasso. It works for anything that is brass. Just takes longer and sometimes it will give the brass a redish color

robocop10mm 04-24-2013 04:08 PM

I heave heard white vinegar in water. probably faster and less messy than ketchup.

beaglesam 04-24-2013 10:54 PM


farmrboy 04-25-2013 12:11 PM

Lemi Shine works really well too. Use the powder, as the liquid doesn't work. You can find it at walmart with the dish soap. Use about a tsp in a quart of hot water in a container with a lid, add the brass, shake it up really good and let it sit overnight.

My preferred cleaner though is a pkg of powdered citric acid, 1/2 gal white vinegar, and 1/2 gal water. Store it in a small bucket with a lid. I let the brass soak for 15-30 min, rinse, and let dry. The nice thing is, this is reusable. I have cleaned 2 5gal buckets of range brass with 1 batch of this stuff. Then tumble in cob media with a little nu finish car polish.

Crazycastor 04-25-2013 01:17 PM

Those all work but I find the ketchup method easier because its in the fridge and I always have it. Its just for when you find a small amount when your out hiking and such. The california sun does a number on the brass as far as the hard tarnish goes and it cuts it pretty good. Its just alittle messy. Now if I were to find large amounts somewhere I would probably use your guys methods.

207driver 04-27-2013 09:55 PM

Ketchup contains vinegar, which is doing the job, is much cheaper when bought by itself, lasts forever on the shelf, and can be used for lots of other cleaning chores including the removal of barrel leading.

grandpabear 04-27-2013 10:31 PM

I add 1 teaspoon of citric acid to a 2 quart sauce pan of boiling water and let the brass soak for 10 min. let dry then tumble. It cleans up like new.

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