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Old 03-22-2017, 12:03 PM
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UpStateMike UpStateMike is offline
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Join Date: Jan 2017
Location: South New Berlin, NY. Basically the center of the state.
Posts: 120

Originally Posted by georgeinsc View post
Folks laugh at me when I tell them that I use chicken grit in my tumbler to clean coins. It appears to be small pieces of granite. Obtained from Tractor Supply.

For clad coins I use white vinegar and a table spoon or so of rock salt. Tumble for 15 minutes and most are clean enough to go thru the coin counting machine at the credit union.

For pennies I use tap water and a bit of dish detergent. I usually tumble them over night. Crusty zincolns may take a bit longer and some of them never will be usable again.
chicken grit is ground up oyster shells
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