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Let the debate rage about the bio-chemical processes that take place inside DSB's. --But the answers to the fundamental questions that average aquarists (like myself) would ask are already answered.
1. Can a DSB be used to complete the nitrogen cycle? Yes. My DSB is living proof of that. Are their other methods available? Yes.
2. Have average aquarists and experts alike used the DSB method safely over a long period of time? Yes.
3. Can system crashes be conclusively attributed to the failure of DSB's? Not Yet.
Meanwhile, as the debate rages on about nutrient sinks, phosphate levels, and runoff, my nitrates continue to drop, thanks to a DSB, just like I was told that they would.
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Richard
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