keep researching
Jason
i believe the good doctor have since indicated that in order to facilitate that theory, the number of critters to most reefer's fish bioload would be too high and not practical/realistic in an aquarium environment.
there have been some reports of people who have experienced the deep sandbeds "storing" the nutrients instead which caused major nutrient spikes when the beds were disturbed. I have my 5" dsb in a refugium part of my sump which is seperated from the other parts of the sump. If I really need to, I can stop the water flow, SUCK out all the sand and I wouldn't have a DSB any more.
A dsb of 3-5 inches should work under most circumstances. hth
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