Quarantine question

[Paaty]

Hi, i currently have a powder blue in quarantine in a 40g. I purshased him on Feb. 3 so he has been with me for just over 3 weeks and doing very well eating like a pig. After 2 weeks he started showing signs of ich so i added nls ich shield powder and after about 4-5 days everything cleared. I will continue the treatment for the full 21 days.

My question is once the pb tang graduates to my dt can i just do a large water change and add cooper to remove the balace of the meds and then add a new fish using the same filter media? Or should i restart, clean everything and add new media?

[inktomi]

It's always best to clean the tank out if you can. I wouldn't risk it, even more so since you know there was a parasite in the tank..

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[ca1ore]

It's really up to you. If the meds cleared the fish of parasites, then it cleared the tank as well. If it didn't then your PB is still infected. Frankly, 3-4 weeks is insufficient QT time anyhow and I would let the PB stay in QT un-medicated for a few weeks longer just to ensure the problems don't return. Once your sure it's clean, and it goes into your display, then reusing the QT for a subsequent tenant isn't much of a risk - I've done it many dozens of times. If a fish dies in QT, then I always completely empty, clean and dry the tank before reusing.

[pledosophy]

You could leave the tank without fish for 12 weeks as well to make sure the ich parasite is gone. (that is what I do)