To small of a QT tank?

What are you using it for? If you generally keep smaller fish it will be OK. Even is you have cichlids that will eventually become huge, but are bought small (4"?) they will be fine there for the Q period. Obviously, if the fish you generally keep are monsters destined for a 500 gallon tank you might need to go bigger than a 10.

I think 10g seems to be pretty standard actually, unless, like sumthin fishy said, you will be needing to QT huge fish.

I'm pretty sure the discus would be inappropriate for a 10g tank, plus due to how fragile they can be, and their cost, you wouldn't want to subject them to meds unless they really needed it.

As long as you are getting pretty small fish, I would get 2-3 at a time, they'll feel more secure that way, and you can treat more fish if anything does come up in QT. However, what size tank do you have? Usually angels aren't kept in large groups as far as I know, and depending on how small of schooling fish you're talking about, they might become angelfood !! Just some things to consider

Sly_Marbo said:

Ok Thanks
I mostly will be keeping angels and smaller schooling fish in it.
When I have the fish in, should I place 2-3 of them in at a time, or buy them 1 at a time and wait 2-4 weeks for each one to use the QT tank? One last thing, would I be able to keep 1 Juvenille Discuss in the tank? It wouldn't be to cramped would it?

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Are you saying to keep one in there long term? or as a short quarenteen? I doubt the q-period would be that hard on it as long as the water perams. were correct. And to clarify, Quarenteening is not the same as medicating. It is just keeping the fish in a small tank so if there is a problem it wont be spead to the larger tank and its inhabitants. Q-tanks usually do double as hospital tanks, but Qing the discus before putting it in a bigger tank doesnt mean it will be medicated.

I prefer to keep my quarantine setups pretty bare bones. A few chunks of PVC or fake plant for cover, but you want things that are really easy to clean and move, and also cheap, in case you have to throw them out.

The thing to keep in mind is that a quarantine period is reset any time a fish is added. So, if you start with just one of a school, that fish has to go through the full process solo--increasing it's stress, before you can move it out and anything else in. Since it is stressed, you've increased the odds that the fish will get sick--not good practice. Keep small groups of schooler, but groups all the same.

As long as you do frequent water changes and keep the tank clean, a discus will be fine in a 10 gallon for the quarantine period. Definitely not a good choice for a long-term tank, but fine for the 4-6 period of quarantine.