Hey,J! We are growing soft corals under plain ol' flourescent bulbs! They don't have a heat issue,they are cheap (we get them from a lighting supply store here in town) and our tank is explodng with mushrooms,wood polpys,leathers,encrusting gorgonians,blastomustos and ,of course,sun polyps!!You can get daylight and blue actnic bulbs.We do have power compacts on one side of our set-up,but the flourescent 2/3 's of the tank is where most of our harvesting takes place.Jake took some really cool pics during the reef tour.Check 'em out!!You are welcome to see our set-up anytime.We also have a really cool sump.....no protein skimmer,though!