busy engineering student at SDSU with a 30gal saltwater reef tank in my room. 30 gal tank, Marineland Penguin 200 carbon filter, Red Sea Prizm protein skimmer, hydor koralia nano power head. livestock: GSP, pulsating Zeenia, eagle eye/ green zoas, montypora, yellow sponge, large purple long tentacle anenome. Fish: firefish, four **** head damsels, royal grama, mating percula clowns, scopas tang, red starfish. (notice the yellow sponge and a red starfish combo)