05-15-2009, 05:38 PM
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You don't need all the different sections, and you definitely do not need a bubble trap. I don't have time to sketch anything up right now, so I will just try to explain it. Split the tank in half with a divider that goes down about 3/4 of the total height. In section 1 where the water comes in, you will want to make two different ledges. The bottom one will have eggcrate, and the top one will have a piece of acrylic with a whole bunch of small holes. In between these two levels is where you will put your bio-balls, and on the top level you will put your filter floss. The water will flow from the top down through section 1, and to the bottom of the sump, where it will go into section 2 to get pumped back to the tank. If you leave enough space from the divider to the bottom, you should be able to fit your heater(s) in there. It is very hard to explain, so check this out for an idea of what it needs to look like. http://www.drsfostersmith.com/images...ish-filter.jpg
It has a black lid on it, so you can't see the filter floss, but that is the basic idea of a wet/dry.