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My 120 is roughly the same footprint as a 90g and I used about 110 lbs of dry rock from Marco. I also used 80lbs of special grade aragonite for my substrate which gave me about 2-3 inches.
Posts by schooleyosis
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Well as much or as little as you like and/or can afford. Just make sure you have sufficient flow around the rock pile/wall you build. I would also suggest making lots of caves and overhangs so the fish have places to hide and swim in and out of. Have a look around this site at people's aquascaping and you'll get the idea. I cheated a bit and stacked mine in one place against my overflow which will restrict flow around it a bit but I don't think I'll have a problem.
I would suggest getting more dry rock than live rock and to seed the dry rock with a few lbs of live rock. It will save you a lot of money!!! Dry rock once seeded become live rock
I would suggest getting more dry rock than live rock and to seed the dry rock with a few lbs of live rock. It will save you a lot of money!!! Dry rock once seeded become live rock
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BRS and Marco Rocks both offer great selections of dry rock. I got mine from Marco because it was cheaper and got a great Black Friday deal.
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