what makes live rock live is simply bacteria. all the plant life and hitch hikers you may or may not have is something completely different, and completely unnecessary to the health of your tank.
rock is just rock. it's always dead. are you asking about the bacteria colony that lives on it? where did it come from? the lfs? did they tell you it was cured? was it submerged in the bag the few hours?
rock is just rock. it's always dead. are you asking about the bacteria colony that lives on it? where did it come from? the lfs? did they tell you it was cured? was it submerged in the bag the few hours?