Roger,
I got my 6100 with controller from Champion a couple of days ago! VERY HAPPY with the pump. Let me say that again. . . VERY HAPPY WITH THE PUMP! Tons of water movement with just one pump in a 225 gal tank! I could see using maybe one more (considering I already have a very strong return from my sump) but even this one pump makes the four Hagen 802's I was using look like a joke. However, if I could make a suggestion, the mounting bracket could be a little more heavy duty. The rim on my acrylic tank is about 6 inches wide. I've seen some people who drill holes for the bracket, but it sure would be nice to have a bracket that accommodates larger acrylic tanks without having to modify the tank. After all, these are kick a** pumps that are usually needed in larger tanks. I would hate to see the mess this pump would make if it were to fall into my DSB.
Thanks for your concern in filling our orders