Thats not really "Live Rock" thats Dead rock added back to the water.... Its not Alive yet.... When it goes purple and things are growning and runnning around all over it, then its live rock.....
This is live rock....
http://www.google.ca/imgres?imgurl=h...UBMAQ&dur=1303
Yours is Dead and white.....
What are you using as a filter???? (Sorry is i miss it)