Help: How to clean crusty, sediment encrusted metals...(think barnacles!)
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Thread: Help: How to clean crusty, sediment encrusted metals...(think barnacles!)

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  1. #1
    us
    Jun 2019
    Palos Park, IL
    Minelab Equinox 600/ Garrett Pro Pointer
    145
    342 times
    All Types Of Treasure Hunting

    Help: How to clean crusty, sediment encrusted metals...(think barnacles!)

    I went beach hunting yesterday and got some "hot rocks" or so I thought. Not sure what they are, because they're so heavily encrusted with sediment.

    I think these are beyond soaking in lime juice or vinegar and baking soda. Any ideas on how to clean this stuff? Should I use a dremel to get off the larger sediment THEN soak it in some solution?

    Here's the photos. PS----found a 'coin' that is both smaller and thinner than a dime. I haven't attempted cleaning it yet because I'm on vacation and don't have a lot of supplies.
    Any idea what it might be? Maybe there's someone here with better eyes than mine but it almost looks like there could be some writing on it.

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  2. #2
    us
    Mar 2011
    San Diego
    Equinox 800, Treasure Probe IV, E-Trac, 3 Excal 1000's, White's GM3 V-sat. White's TM808, VibraProbe, 15" NEL Attack, 5X10 Joey, Steath 920ix and 720i, TRX, etc....
    9,660
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    All Types Of Treasure Hunting
    Honorable Mentions (3)
    The second and third photo looks to be a crusty zinc cent. The last two probably a copper cent. If true, I'd dump the first, and tumble the second, after doing a preliminary clean up to determine type and year.
    ROIGuy likes this.
    "jus cuz it's wrote down, don't make it so"

  3. #3
    Charter Member
    us
    Dig everything!

    Sep 2018
    Between Half Reale Beach and Nuestra Seflora de Las Nieves
    Garrett, Equinox 800
    99
    110 times
    All Types Of Treasure Hunting
    Don’t dremel use a wooden toothpick first. Some blunt the end. Don't throw until you know.
    ROIGuy likes this.
    “Fortune favors the prepared mind.” ― Louis Pasteur

  4. #4
    us
    Sep 2011
    ft laud, fl
    CTX 3030, 2 xcal II 1000's, 1 has OBN's remote PP & peltor HP's, 2 aquasounds, dual field, sunspot 920i hybrid, 720i, 3 rtg scoops, Howie scoop
    107
    65 times
    Beach and Shallow Water Hunting
    I use Sno Bol toilet bowl cleaner. Put the item in a plastic lid or something just big enough and cover it with toilet cleaner. It works just like when you put baking soda on a corroded battery post. I probably wouldn't do it if I thought the item was somthing real valuable.
    ROIGuy likes this.

  5. #5
    Charter Member
    us
    "A smooth sea never made a skilled sailor"

    Apr 2019
    The Treasure Coast
    Yukon Coin Hustler II, Equinox 800 and Excalibur II
    124
    501 times
    All Types Of Treasure Hunting
    Electrolysis
    ROIGuy likes this.

  6. #6
    us
    Jun 2019
    Palos Park, IL
    Minelab Equinox 600/ Garrett Pro Pointer
    145
    342 times
    All Types Of Treasure Hunting
    I'm going to try the 2nd method in the video while I'm still here. The method he described is heating the coin then putting it in cold water to see if I can shock some of the heavier sediment off the coin. Then I'll try electrolysis when I get home.
    Rum Tide likes this.

 

 

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