How to prevent verdigris?

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How to prevent verdigris?

Postby gubni » Mon Oct 07, 2013 7:59 pm

I have a small hoard of copper pennies from the last 30 years. They are nothing of real value but I recently noticed I have significant verdigris going on. How do I prevent this from getting worse and how to I prevent it from happening at all?
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Re: How to prevent verdigris?

Postby 68Camaro » Mon Oct 07, 2013 10:25 pm

Not sure I have any guarantees but keep 1) the infected coins away from the.others (one reason I started segregating the two, pulling all the dirty.coppers out, and 2) keep in dry place.
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Re: How to prevent verdigris?

Postby galenrog » Mon Oct 07, 2013 11:20 pm

Can't beat that advice. Segregate and keep dry. I have a 45 watt heat stick in the safe. Overkill, but it does keep everything dry.
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Re: How to prevent verdigris?

Postby Numis Pam » Sun Oct 13, 2013 6:41 pm

galenrog wrote:Can't beat that advice. Segregate and keep dry. I have a 45 watt heat stick in the safe. Overkill, but it does keep everything dry.


What is a heat stick? Should I have such in my safe as well?
My safe is rather large and is not in a climate controlled area.
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Re: How to prevent verdigris?

Postby plus1hdcp » Sun Oct 13, 2013 8:07 pm

This is the one I use

http://www.midwayusa.com/product/113861 ... r-rod-110v

and it has worked well for me so far. I have had it for about 4-5 years now.
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Re: How to prevent verdigris?

Postby galenrog » Sun Oct 13, 2013 8:45 pm

That is similar to what I have.
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Re: How to prevent verdigris?

Postby Numis Pam » Mon Oct 14, 2013 1:08 am

Thanks for the reply! I am to get one! :thumbup:
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Re: How to prevent verdigris?

Postby Sheikh_yer_Bu'Tay » Wed Oct 16, 2013 11:42 pm

For moisture removal, the silica packs used in gun safes work real well, too.

Keep your coins away from anything with chlorine in it (like PVC pipes or buckets). You will even find some coins shops selling plastic coin holders with chlorine in the plastic. Not good for coins.
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