A newbie question ... just got me a new tumbler and did my first tumbling run using corn media mixed with polish. Brass came out clean and polished after a couple of hours. They've all been de-primed and re-sized and all clear of any media. Do I still need to do any other cleaning after tumbling?
Thank you in advance for your support and understanding.
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I believe that if you used a polish of some kind in the media there will be some polish residue on the cases.
If this polish is Ammonia based then you want to remove any residue as Ammonia hardens brass!
I would wash the cases in Shellite ( AKA - White spirit , naptha ) and dry them out in the sun. It evaportaes real quick.
If you can't find Shellite then a bathroom product called CLR will remove any greasy coating or residue and will clean mildly tarnished brass well . 1 cup of CLR in 2 pints warm water ( not real hot water ) .
Rinse in plain warm water after .
If you can't find CLR then a wash in warm water and dish wasing detergent and a few rinses off in warm water and dry them in the sun or use a hair dryer.
Then you have clean and residue free cases.
Very good point Jumper-------lose the polish in the future. Polish may hep the process but does leave residue period and guess where it goes or what effect on the powder after a indeterminate amout of time.
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