wow thats an old setup everything has changed its still 40 gal but i have one hang on back filter just loaded with live rock and a lil flourescent light on top, and a hang on back skimmer, live stock is one yellow tail one cromis, one diamond goby, a baby camel shrimp and a crab its orange dont know the name of it i can try to stop by the fish store and find out tommorow, also let me test agian and give u some new numbers, ohh yea the tank has been up and running for about 6 and a half months now