Thanks to everybody. I have a fluval canister filter, protein skimmer,one power head. I have bought about 70lbs. of live rock, there is about 3 inches of live sand. As far as fish there is 2 clown(nemo), yellow tang, bi colored blenny, yellow clown blenny,a corl beauty angle,long tentacle and a clucter of yellow pollops. Im in the process of upgrading my lights. But im still having problems with my nitrates even when I do my water changes.