What should I do?

[majormaz]

I have a spare 22 gallon laying around what should I do with it?

 

[Jakers88]

I would say if you have a larger tank use the 22 gallon as a sump/fuge if not then I would use it to make a nano tank.

 

[roka64]

What size tank are you using now? A QT would be a great thing to set up.