Power heads

[d.french]

comes with the connecting arm with ball joint swivel i glued mine to a magfloat, or you can buy the sureflo magnet mounts.

 

[d.french]

http://www.marinedepot.com/ps_AquariumPage~PageAlias~powerheads_pumps_algae_free_sure_grip_holder.html

 

[Bifferwine]

Go with either MaxiJets or Koralias, whichever you can afford. I have 6 Koralia #3s in my 240, and in retrospect, I should have gone with #4s instead.