"fishman" wrote in message
...
| Does anyone know of a acceptable substitute for the rio1700. I am using A
| CPR skimmer and the design requires the venturi air intake to produce the
| bubbles. I am looking for a pump that can produce a similar effect. The
pump
| is only 2 months old and I am already having trouble with it.


A Mag 7 is just a tad more powerful, at ~700 GPH compared to the Rio 1700
at ~640 GPH. You could always put a valve inline and throttle it a bit if it
proves to be too much pump.
The 1700s are one of the banes of the Rio line...you should trash it before
it trashes your system.

Kev