Kinda crude pic, Herbi drain from tank into sump tank, through two 7" filter socks, into standard sump area for (probes, heaters, chiller), than bubble trap to return area.
Two bulkheads from there, one for skimmer pumps and other to return pump.
Skimmer will dump into refugium tank, through bubble wall to return area.
Both return areas connected with a t fitting.
Both tanks are acrylic 100s, 60x18x18