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#1
09-22-2006, 12:13 PM
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Quote:
I do not know of any DSB that I would concider successful. Personaly Ihave had all 3, my DSB lasted 2 years, in the last 4 months I was getting nussance algae I couldn't explain or get rid of. SO I went to a ssb. It was the same deal, maybe as I used the sand from the dsb to do it, but I had lots of bugs and such to keep both beds stirred. Now I am at the BB stage, I love it easy to keep clean, the rock still is more than enuf to keep my nitrates at 0. don't have to worry about a built up of nutrents in the sand bed any more. A few thinga about DSB, th emain supporter of them, the good Dr Ron. Two years after he said they were the best thing in this hobby sence sliced bread, changed his mind. The reasoning he used was that in the hobby we can only hope to keep 10% of the different types and number of "Bugs" alive to make a DSB work, then about 1 year laiter he started on the fact that a DSB can be a nutrent/heavy metal sink if not run proper, which the previous year he said was impossable for us to run one properly. so I decided to go BB after trying DSB and SSB and I think BB is where I will stay as I haven't found a down side yet. The bottom covers over fast with calcium deposits, then turns to coraline and you can put corals on it to cover it also like Brad has. Steve
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 *everything said above is just my opinion, and may or may not reflect the views of this BBS, its Operators, and its Members. If cornered on any “opinion” I post I will totally deny having ever said this in a Court of Law…Unless I am the right one*Some strive to be perfect.... I just strive. 
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#2
09-22-2006, 02:06 PM
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For those who havn't read these yet, I thought I'd post links to articles on a couple of sand bed experiments done by Rob Toonen and Christopher Wee
An Experimental Comparison of Sandbed and Plenum-Based Systems. Part 1: Controlled lab dosing experiments An Experimental Comparison of Sandbed and Plenum-Based Systems: Part 2: Live Animal Experiments It's interesing that the sandbeds processed nitrates equally regardless of their depth (no anaerobic zone), and particlle size. Bare bottom tanks were not included in the experiments, but I don't think we need to guess how much nutrient a bare tank would process 
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Hybrid Mode
