Oh, Its a 55gal,Quad C/F lighting ,HOB Emperor filter, 2 550 Korilla P/Hs. The airstone was a test I did to aid in getting my skimmer for fathers day, above the tower of bubbles on the glass cover is?, you guessed it skimate goo! I'll get some better pics of my black suns, the yellows started out w/5 heads in November and now is 20+. The tank is maxed out on fish at this point. 1 Foxface,1mandrin,1 yellow watchman w/tiger pistol shrimp,3 firefish,1 lawnmower blenny,2 clowns,and 1 green chromis that is the origional occupant from a year and a half ago. Corals include 1 birdsnest,green star polyps,pulsing xenia,5 different colonies of shrooms,1 large finger leather,2 large hairy mushrooms 1 red and 1 purple montipora,5 kenya trees ,4lg featherdusters,1 ora toadstool and 20+ snails and blue hermits. Definently a full tank. Oh and a couple epic sized bristle worms!!