Live Rock - about 45 lbs - 50 lbs ?
Sand - how many pounds ? tank dimension is (in inches) : 30L x 21H x 18D
I think they go with 1.25 -2 lbs per gallon for standard recs. depending on the type of rock. I have looked at around 30 tanks in the last couple months. I perfer the tanks that have more rock in them piled from side to side and to the top. It just seems like the difference between "yeah thats nice" to "WOW THATS COOL". Seems like the fuller tanks also have more hiding spots for fish to hide in and places for corals to grow on. I'd probably go a min of 75 pounds rock possibly 100 depending on the rock.
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