the 240 won't be too much flow on a 29. I tried both a 240 and a 425 (what I stuck with) on my 90P. They run dead silent and the suction design is great. Hydor is definitely a narrower push than the Tunze, which is good for achieving circular movement around the tank.
Last edited by BigL_RIP; 12-06-2013 at 01:21 AM.