Told ya it was, er, not a bright question. The rock has living things on/in it. (I assume, that's why it's called 'live'). What exactly is alive? Bacteria only, like your typical wet-dry filter? Other tiny 'creatures'? Do they just pull nutrients from the water, or do you need to 'feed' the live rock?
Oh, and I can take any snide comments you can throw at me regarding the intellegence, or lack there-of, of the question!
Oh, and I can take any snide comments you can throw at me regarding the intellegence, or lack there-of, of the question!