Qt help

[Jordan berry]

I've decided to build a qt tank.I ordered 2 clowns a diamond goby and a purple fire fish from petco to pick up during there 30% off sale. Is a 20g long enough space? I would also like to do some corals. Do corals push you to upgrade water flow or lights?

 

[Cleo642]

It know it is good to have a 20 or 29 gallon. That should be fine. Here is a thread about quarantine. It's by Humblefish and he knows what he is doing.
https://www.reef2reef.com/threads/the-dos-and-don’ts-of-quarantine.203898/