Custom Sump
I build my own acrylic sump (since its what I do!) It is a two part system. A taller refugium is on its own, and the skimmer/return have their own shallower sump. The refugium drains back into the return section of the sump.
As this sump was one of my first projects, I will be rebuilding it soon. Want to change up the baffle heights, and layout a bit.