A way to test for copper?

[salty420]

I purchased my tank used, was used by previous owner for SW. I didn't think to ask at the time if he had ever used copper in the tank. The tank is still cycling now but I've read that if copper was ever used it will kill inverts and I would like eventually to have some snails and crabs. I am using his bio-wheel. Should I be concerned? Do I just add a few inverts (when the time is right) and see what happens or can I test the water for copper? Thanks, Kat.

[darkcirca]

There are copper tests..not sure if it'll know if there was copper in there before, but they tell you levels.
http://www.thatpetplace.com/pet/product/categoryInfoL3.web?options.passInCategoryKey=23633

[Reefscape]

as above, buy a test kit...

http://www.marinedepot.com/ps/ps_ViewItem~SearchStr~~action~view~idProduct~SF111 9~idCategory~FITKCO~category~Salifert_Copper_Test_ Kit_Saltwater_Aquarium_Supplies_Test_Kits_Copper_K its~vendor~.html


This brand of test kit is very good an should at least give you some indecation if copper has been used..There is always the issue that it might have been long ago and not show up on the test..Give a whirl though and let us know..

Niko