I have a 20 gal with a reg carbon filter, a biocube protien skimmer, nano watercirculator at 240 gph, there is 15lbs of live rock, 20lbs of live sand, 1 sabea anemone, 1 polyp, 3 damsels , 2 snails and 1 percula clown....im wondering if i have a proper set up or if i need to keep upgrading and...