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Old 09-30-2009, 11:54 PM   #1
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Pennies in reef tank.

My 4 yr old baby sis, after spending the weekend at my house, decided it would be a good idea to throw a penny (I believe..I wasn't able to find any more) into my 90 gallon reef tank. I discovered it tonight while inspecting my tank. Do I have anything to be worried about?
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Old 10-01-2009, 12:06 AM   #2
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How long was it in there?
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Old 10-01-2009, 12:17 AM   #3
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I know copper is a big no no with inverts in freshwater, but this is SW and i don't know if that counts in it. I know salt can be harsh with metals and alloys.
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Old 10-01-2009, 01:54 AM   #4
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i'm not too sure how long its been in there--1-3 days i would guess.
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Old 10-01-2009, 04:18 AM   #5
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You could always get a copper test kit. I think they make them(im sure they do) try salifert... Test for traces of copper. If you are using RO/DI there should be none. Although I am not so sure that pennies made after the year 1985 were made with pure copper. Check the date if it is prior to 1980, for sure it is pure copper and I would test for it.
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Old 10-01-2009, 04:23 AM   #6
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You could throw some carbon in your filter and go ahead and do a water change, just to be on the safe side.
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Old 10-01-2009, 04:35 AM   #7
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I would suggest take it out if u can OoO.
don't risk your whole tank on a penny!!!
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Old 10-01-2009, 06:44 AM   #8
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Agreed, remove the penny if you can find it.
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Old 10-01-2009, 07:33 AM   #9
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The penny was removed already after 1-3 days. I like the idea of the carbon and water change. After that, I would feel better if it were mine. I'd seriously doubt if it dissolved any in 78 - 80 degree water.
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Old 10-04-2009, 02:28 AM   #10
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yes, copper in a sw tank is a big no no. Especially in a reef tank! copper kills inverts like nobody's business. the carbon and water change should prove affective, and get a copper test kit if you are really worried about it.
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Old 10-04-2009, 02:58 AM   #11
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Quote:
Originally Posted by EscVelocity View Post
You could throw some carbon in your filter and go ahead and do a water change, just to be on the safe side.
I agree with the above and then do an indepth search for more pennies and ask your sister how many she threw in there.
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Old 10-04-2009, 03:03 AM   #12
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break out the metal detector!
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Old 10-04-2009, 03:06 AM   #13
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I don't know that carbon will get it out. I would use chemi pure or poly filters. I think there might be something else out the cuprimine or something like that, but it's getting late...
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Old 10-05-2009, 01:04 AM   #14
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Seachem Cuprisorb...

Seachem. CupriSorb

Don't think a penny for that short of time would cause issues, but if it was my tank I'd probably be running Cuprisorb (or a PolyFilter) just to be sure. Carbon ain't gonna cut it with copper.
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Old 10-05-2009, 08:34 AM   #15
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That's it, thanks Kurt!!!!
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