Bored... SO I figured I'd post pics of how I re-built my bottom return sump.
It looked like this when I started. I think it was designed for freshwater, with the shelves on the left etc.
So I stripped all the baffles:
Then got a couple more baffles and a dual 4" filter sock holder from concepts and started putting everything back together:
Love the spacers/supports!!
All Done!