<a href=showthread.php?s=&postid=8165161#post8165161 target=_blank>Originally posted</a> by Tremelle
I asked myself the same question when setting up my 210 tank. I decided I wanted the return to provide the return of water from the sump, and leave the in tank water movement to the Streams and Maxijets. I ended up going with a Quiet One 6000.