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#21
02-13-2012, 05:27 AM
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Well first off you need a very fine sandbed at least 3-4 inches deep to start getting Anaerobic zones. I have seen live rock so porous it almost puts crushed coral to shame.
To say "Heavy, dense rock, whether it's live or dry is useless, and will just lead to frustration with your nutrient levels." is much more of a stretch. Depending on who reads that advice it could be taken the wrong way, when using really dense rock like tonga branch is fine. Last edited by FitoPharmer; 02-13-2012 at 05:30 AM. 
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