Problem with cleaning

[Tarheel boys]

My area has high mineral content in the soil. When I use peroxide to clean wheaties they turn green. Is there another way to clean them or am I doing something wrong? Anyone else having this same problem? I saw where someone soaked theirs in Olive Oil... does this work?

 

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[treasuredog]

Olive oil works. Put coin in a raw potato but keep an eye on progress.

 

[Tarheel boys]

Well, I got the potato, guess I need to go hunt me an old coin! Thanks

 

[cosmic]

Instant works fine...

 

[Tarheel boys]

Instant?? Can you explain this one? I was out yesterday, 23 December, for a bit and dug a '51 Wheatie. Tried it in the potato for about 6.5 hours and it worked well. I have been hunting an old Church, established around 1897ish. I got a signal yesterday and started to dig... which kept getting deeper as with every scoop I was empty handed. I really thought I was on to something... but was disappointed when it turned out to be a nickel (1988) about 9 inches down!! How in the heck did it get that far down? Some kid burying nickels!!

 

[Eu_citzen]

I like to use baking powder.. I posted how to on an earlier post in this forum..

 

[cosmic]

Just mix up instant potatos and place your coin in...Check every half hour and rinse, not rub off the grime, until as clean as you like... Dry and give a coat of wax..(beeswax or coin wax)

 

[jlb783]

Whatever you do don't use vinegar!

 

[greydigger]

TarnX kinda ate up a modern badly corroded penny when I tried it.
Maybe it was already gone but it came out orange and not much detail left.
Most of the pennies I have I can hardly tell what they are and cannot read date.
Will try electrolisis next before I build a tumbler.

 

[fldaphne]

I like to use baking powder.. I posted how to on an earlier post in this forum..

I just put a batch of pennies found today and one dime in a solution of water and baking powder. I let them soak for about an hour and a half. I would not do it again as the coins appeared thinner and if I had left them over night it was like they would have been eaten away (the older more encrusted ones). See my before and after photos. I probably did not see your directions - but I would advise anyone to check them out before doing like I did - I think it was about 2 tablespoons baking powder to a cup or so of water - didn't see your post and the directions.

 

[greydigger]

Wow!
Looks like the ok ones got pretty good but the bad ones got worse.
Thanks for the post.
Grey

 

[Eu_citzen]

Hmm I donno what alloy your pennies are but it shouldn't do them much worse then they where before.

 

[fldaphne]

Maybe it has something to do with the ones that were more heavily encrusted with the salt/sand? But they really were much thinner afterwards when I went to dry them.

Or - maybe? - it is the awful tapwater we have in our area!!!!!!

 

[Eu_citzen]

And I noted you used about 2 table spoons of baking soda! Wow.. I use like 1 or 2 teaspoons.
Here ya go for the how I do it:
http://forum.treasurenet.com/index.php/topic,202454.0.html

The inner core of the pennies is sensitive to any damage and if they already are in bad shape they will more easily take damage during cleaning... Hehe I killed my first penny from the US while cleaning it.

I've used the baking powder on: Aluminium, Iron, copper, silver, copper/nickel alloy, nickel, brass. without any bigger damage.