That does not look like 50lbs of LR
to me if it is a 30 gallon tank.
If you are wanting cured liverock, expect to pay in the $5-10/lb range. Figure 15-20lbs for a 20 gallon, or 25-30lbs for a 30 gallon.
You can just use base rock, and it is muuuch cheaper. http://www.reefrocks.net/index.php?p...emart&Itemid=1
It does not take long for base rock to become live rock. When I set my tank up I used almost all base rock, and just bought like 3lbs of live rock from my LFS
to seed it: started out like this:
about 8 months later, it looked liked this: