I would stay away from Premium Aquatics live rock, it isnt all that great, the "premium figi" rock they sell is basically Walt Smiths(the distributor)cheapest stuff. If you want REAL LIVE ROCK that is loaded with all the life you could handle, a couple of better choices would be
www.paragonsales.com or
www.harboraquatics.com these 2 places get Walt Smiths Live RAW PLANT ROCK, which is the stuff that is picked and then directly packed and shipped to their stores, this stuff is loaded with every macroalgae available, plenty of critters, tons of encrusting corals etc. All the other stuff that is called "premium figi" is the garbage that sits in the spraybar booths for weeks where much of the life is lost. Take it from someone who knows.
Cheers!