I believe that gorgonian needs cooler waters. I had frags in my temperate tank (68 degrees) that did awesome. The frags in my reef tank (which is dominated by gorgs and seafans many of which are non-photo) perished within a few months. It ate the powdered plankton from Sachs aquaculture and Fauna marin Ultra seafan mixed together. Don't let anyone fool you, it doesn't eat cyclopeeze. I have found that most seafans and gorgonians will only eat food of a specific size and many do not eat the same foods. Unfortunately the blueberry gorg is the toughest I've come across.
Like I mentioned earlier, I think it needs cooler temperatures and can not tolerate temps over 70 degrees for a long period of time (a few months at most). It is hard to tell in the pic but it looks like some branches are already missing tissue at the tips.