the old standard of 2-3 lbs per gallon is outdated for the fact that those numbers were based on florida live rock which was very dense -- the live rock available today from fiji, soloman is, etc. is much more purous and can sustain a great deal more beneficial bacteria per pound, 1-2 lbs per gallon is usually sufficent -- however like the others said: the more rock the better so it really comes down to how much you can afford since it aint cheap
Live rock how much?
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