Design and dimensions check....

I just don't think you are going to need that much pump for a return. I would opt for a lower flow, yet better quality, high efficiency return pump like a Sicce Syncra Silent 3.0 or an Eheim 1260. This will put the flow in range where you could run one to the refugium and one to the skimmer. It you are already planning supplemental flow in the tank, you can afford to downsize te return.

 

Cool thanks Greg I had wondered - but I want to mix up SPS and LPS so i was trying to keep the flow relatively High - I will look those pumps up ....

Tom

 

Got my glass for the sump cut yesterday - here are some pics of the finished sump

 

Sump full for leak testing - no leaks as we filled the dividers one at a time...

 

You'd a got my vote! ;-)