Question: From Fowlr To Corals

[aquamike]

Hi All,

I've a fren who is moving from a fowlr (coppered) to Corals.

The question now is, how to completely remove copper from the tank?

Will carbon do a thorough job?

Will there be residue left over in the silicon ?

[diki88]

I assume ur friend used cupramine which wont be absorbed by silicon or leave a residue.

Big water changes >80% and run carbon, lots of carbon. The copper level will drop but depending on how much copper the LRs has absorbed, it could be a long process to totally remove the copper.

either that, or change out all the LRs. but the fishes will be affected this way as the new LR could trigger a new cycle.

Its certainly possible as I just did it. Once the test kit show that copper is zero, dont trust it. do a couple more water changes, one more round of new carbon, then throw a few snails to see if they can survive.

If survive, then slowly add easy corals to test.

Good luck

[aquamike]

ok thanks!

[AquaReefer]

You mean snails cannot survive tank with copper?

[hammy]

You mean snails cannot survive tank with copper?

most invertebrate cannot survive a tank with copper.

[hammy]

I will suggest changing out the LR because it is difficult to know how much copper will be leaked out and how long it will be leaking

[Kakani]

Another way to try your copper buy snail and see the dieing rate of your snail. If put snail everything ok. Can try easy coral. Try lps first as months pass around 3 months can try easy sps. I got friend who use copper rock only the first 3 month sps not showing good result after that should be ok

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[diki88]

I will suggest changing out the LR because it is difficult to know how much copper will be leaked out and how long it will be leaking

Very true.

[aquamike]

is it true that copper will change the chemical structure of LR? If inverts crawl over it, they will be 'poisoned'?