120 gal display upstair's with a 65 gal sump plumbed to the basement. 2" overflow, into sump and a np100px return pumping up through 3/4" PVC.
2-4" filter socks, 2-media reactors RO system plumbed into a holding tank(fresh water top offs and salt water changes) and a crappy ass modified coralife venturi skimmer that no longer has a venturi.....and a slightly undersized MP10WES