flow control

Hey, So I have 2 old Tunze Turbelle stream controllable pumps 6100.10, with the Tunze Multicontroller 7095. The pucks for the pumps are 6200.800A and 7410.602A, The first puck puts out 80W the second 60W but I've read that it doesn't matter and the pumps have the same power. I am curently...

So Brian (ArstenA) has agreed to build a custom refugium for me. Design will be next, but I have a few basic questions about the overall workings of a sump/refugium. I have the tubes designed for the RSM (see pic) to add a chiller and wonder if these will work in place of an overflow kit...

I've got a ReeFlow Marlin pump to pull water out a hole in the side of a 125g refugium tank and pushing it up one floor to my 120g main display tank. I also plan on putting a tee with a return coming back to the refuguim for flow control using a gate valve. After consulting with the guys at SWE...