what to do with bio-block from qt tank - isn't there copper in it?

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shootingstar_reef

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hey y'all,

my fish were recently treated with coppersafe for ich, have finished their regimen and returned to the dt. In their qt tank, i put in a bio-block that was sitting in my dt for about 2-3 months, to help regulate the water quality in the qt.

However, my understanding is that nothing porous that has been exposed to copper medications should be returned to the dt. So...what do I do with it now? Will I ever be able to "clean" it? Do I leave it to just dry out - but then using it in qt again would be useless because all the bacteria would have died off, right?
 
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Operator Wrasse

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If you have the Hanna copper checker, you could put the brick in fresh salt water with Seachem Cuprisorb, then test to see if it is leaching Cu. If it's leaching, I wouldn't put it back in your DT. Although, you could continue the testing to see how long it takes for it to completely leach all the Cu. I would love to see the results.
 
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