I have no live rock, i bought all BRS 'reefsaver' rock.
I have an excellent pod population which my goby has eaten exclusively for the past year
Here's the rock, and then the tank when we first set it up (took 6-8 weeks to cycle this non live rock with 4ppm of ammonia (the non-surfecant kind).
http://www.youtube.com/watch?v=78e9c...e_gdata_player
http://www.youtube.com/watch?v=bRBuc...e_gdata_player
Here it is a year later
http://www.youtube.com/watch?v=OzcDz...e_gdata_player