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  1. #1
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    Mark Dayton

    Jan 2008
    Gold Country (California)
    Minelab CTX 3030, Garrett AT Pro, Makro Racer 2, Garrett Pro-Pointer, Detector Pro Grey Ghost headphones, Lesche diggers, Apex picks.
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    Cleaning this type of corrosion . . . Calif Coast

    I have been finding some decent coins in the surf lately, today 5 wheatbacks (no silver today) but found 2 silver dimes a couple days ago, the problem is they are all corroded with that green patina that we all know so well. I know that this is more of a Cleaning forum question but I feel it is specific to this board. Is there anyone that has found an easy way to clean these without electrolysis. Just hoping someone has a recipe or chemical that I can soak them in. Any information would be sincerely appreciated!

    Today's Finds


    HH, Mark
    California Relic Adventures

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  2. #2
    us
    Sep 2005
    Indiana
    Whites DFX & Beach Hunter ID
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    Re: Cleaning this type of corrosion . . . Calif Coast

    sometimes putting them in a potato will work....also try hot hydrogen peroxide or salt and vinegar

    HH
    -GC

  3. #3
    us
    Nov 2007
    Middle Tennessee
    Tesoro Bandido UMax
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    1 times
    Both Beach Hunting, and Field Hunting

    Re: Cleaning this type of corrosion . . . Calif Coast

    I have looked into the mass cleaning of such coins and found that the cost of cleaning is just about more than the cost of the coins when your talking about pennies and nickels. Enough dimes and quarters may help you break even.

    Tumbling in a rock polisher type tumbler uses electricity. Most of the liquids that you can use to clean are expensive, etc. The only fellow I have read about that had a good idea about mass cleaning used an old front loader washing machine. He put a very large number of these types of coins into the machine and created his own abrasive out of old corn husks. I am not sure how long he kept them in the machine but I remember seeing the end product which was a useable coin. The numbers of coins he did at one time made it cost effective but that was many years ago. At the price of electricity and water these days I couldn't tell you whether it would be as effective.

    I would check with the bank or U.S. Treasury to see if you can get an exchange. Not sure if they will do that with coins. I know they do with paper money.

    Good Luck.

    DaChief
    Proud Supporter of the Siegel High School Band

  4. #4
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    Seek & Ye Shall Find

    May 2006
    Midwest ILL
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    Re: Cleaning this type of corrosion . . . Calif Coast

    Ive run into this same issue & more now with cheapy Zincs that dont last even in freshwter..Cost and time vested seems like its just not worth it ..Lately what I started too do with Clads & lightly corroded zincs is use a wire wheel on Hi speed bench type grinder..hold coin in pliers & hit with wire wheel ..hang on to coin tight ..use safety glasses /shield& be careful..l cleans layer off fast & shines Clad a bit too. This is my method and works for me ..May not be for others ..High speed wire wheel can fling a coin across the yard so be careful ..Bill

  5. #5
    us
    May 2007
    Sunny South Florida
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    Re: Cleaning this type of corrosion . . . Calif Coast

    I tumble my coins in CLR. Try shaking them in a jar of CLR. It can be bought at any grocery store. Also the salt & vinegar might work as stated earlier.
    FINDING NEEDLES IN HAYSTACKS, IT'S WHAT I DO.

  6. #6
    us
    Mark Dayton

    Jan 2008
    Gold Country (California)
    Minelab CTX 3030, Garrett AT Pro, Makro Racer 2, Garrett Pro-Pointer, Detector Pro Grey Ghost headphones, Lesche diggers, Apex picks.
    785
    669 times
    All Types Of Treasure Hunting
    Banner Finds (3)

    Re: Cleaning this type of corrosion . . . Calif Coast

    I see your points . . . . no sense in attempting to clean the clad or commons but I am finding older coins and those are the ones that I would like to see the date on. Especially the wheatbacks and silver coins. I will try some tests on the Potato method and Salt & Vinegar. Thanks for the helpful info and insight

    HH, Mark
    California Relic Adventures

    Smoke Detectors Save Lives
    Install One In Every Bedroom
    Check Batteries Twice A Year

    Please Take A Few Minutes to test
    Your Smoke Detectors Today!

 

 

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