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Unread 12/08/2010, 10:10 AM   #1
larry joe
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Please help!!!!!need input asap!!!!

found a penny in my sump this morning...What do I do and whats to come of my LR and sand?Penny looks as if its been there a while.I lost a pagoda cup and some of my zoas are closing....Snails are OK


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Unread 12/08/2010, 10:11 AM   #2
plyle02
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Water changes and carbon are the only thing that come to mind IMO... The penny is now gone, leaching of copper I am sure can happen, I would re-post on the chemistry forum. May get Randy to chime in with some help.
GL


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Unread 12/08/2010, 10:14 AM   #3
Beaun
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Seachem CupriSorb will help.


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Unread 12/08/2010, 10:28 AM   #4
etepperman
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I have had this happen too. I don't know how these things end up in our tanks.

In my case there was no ill effect. I guess just lucky.

-E


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Unread 12/08/2010, 10:33 AM   #5
Korrine
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Quote:
Originally Posted by plyle02 View Post
Water changes and carbon are the only thing that come to mind IMO...
x2

what size tank is it?


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Unread 12/08/2010, 10:38 AM   #6
James404
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Cuprisorb like Beaun said or a polyfilter will absorb copper as well.


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Unread 12/08/2010, 10:40 AM   #7
Original Fin
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Most pennies in circulation are 98% zinc, 2% copper. You can tell by the date.
http://coins.about.com/od/uscoins/f/copper_to_zinc.htm


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Unread 12/08/2010, 10:43 AM   #8
Beaun
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The outside is still 100% copper, the zinc is the "filler".


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Unread 12/08/2010, 10:52 AM   #9
Original Fin
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Yes, still not good. 1 pre 82 Penney in tank contains the same amount of copper as 98 post '82 pennies.
Countermeasures required either way, but a recovery is much more likely if it's a newer Penney.


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Unread 12/08/2010, 11:30 AM   #10
Vandal996
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I found one in my sand while sifting through the sand. No telling how it got in there but I had no ill effect. The coin was fully encrusted though. Poly filter for sure to be safe but all of my inverts were thriving.


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Unread 12/08/2010, 11:44 AM   #11
Beaun
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Quote:
Originally Posted by Original Fin View Post
Yes, still not good. 1 pre 82 Penney in tank contains the same amount of copper as 98 post '82 pennies.
Countermeasures required either way, but a recovery is much more likely if it's a newer Penney.
It wont make a difference unless the penny is in there for a very long time. You would have to corrode through the copper coating first to make it to the zinc. For arguments sake, in an aquarium a penny is a penny.


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Unread 12/08/2010, 12:18 PM   #12
larry joe
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I really appreciate the input...My tank is a 140 gal and the penny was 1963....Ill put 2 or 3 poly filters in...How can I tell if my LR or sand suffered


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Unread 12/08/2010, 12:33 PM   #13
Original Fin
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What's at the core is irrelevant...Iagree with you there, Beaun.

At any rate, the OP has his answers. Could be interesting to explore this a little further though...maybe see what they think over in the chemistry forum. If for no other reason than to give myself a better understanding of the processes involved in copper contamination.

Wikipedia had a litle more detail...

1793–1857 100% copper
1857–1864 88% copper, 12% nickel (also known as NS-12)
1864–1942 1946–1962 bronze (95% copper, 5% tin and zinc)
1943 zinc-coated steel (also known as steel penny)
1944–1946 brass (95% copper, 5% zinc)
1974 Experimental aluminum variety
1962–1982 brass (95% copper, 5% zinc)
1982–present* 97.5% zinc core, 2.5% copper plating


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Unread 12/08/2010, 01:13 PM   #14
larry joe
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Already posted on chemistry forum THANK YOU LOTS


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