you are definitely ok with some soft corals, but you should also have enough lighting for MANY stony corals. Lobo Brains are a stony coral that I have always found to be pretty hardy, and do well under PC. Mine did great for two years with just 2 vho bulbs and a 110 watt PC in my 75 gallon. I was also able to keep a scolymia, bubble, frogspawn, and a branching flowerpot without any problems.