Powerhead Hydor

Powerhead Hydor

power unit for a nano reef tank 20 gallons?

400gph Hydor Koralia is a powerful for 20 gallon nano that is 30×12x13? I have two clownfish. And I can only get one. going to be blown in one direction. Or should I just get a smaller one a 240gph Hydor Koralia nano?

You really does not need a powerhead for a 20!