You've opened a real can of bristle worms here. :spin2:
I firmly believe in using a <acronym>[FONT="]DSB[/FONT]</acronym>, it's a major part of biological filtration in an aquarium. But for this to work, you will need the right substrate (aragonite), of the right size (sugar sized oolite), and the right depth (3+"), with the right microfauna (see below). Here is a good article about it, and its use:
Ron Shimek's Website...Deep Sand Beds
Here is the sand I used:
CaribSea Aragamax Aquarium Sand
and activated it with this:
: : : : Indo-Pacific Sea Farms : : : :
If you go this route, as mentioned in the article, you should avoid certain sand sifting animals. This will expand on Dr. Shimek's explanation:
Sandbed Death: Innocent Killers - Marine Engineers | Marine Engineers
http://reefkeeping.com/issues/2003-09/hcs3/index.php
My tank has been up for close to seven years, and I have no problems. I don't stir, siphon or clean it in any way. Although, I do have a couple of Conch's and a number of cerith snails that work on the sand bed.
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