Galabar Posted May 15 Share Posted May 15 Let's say that we have a UGF and nothing else for filtration. We add food and that waste is brought into the UGF, breaking down into... something. Is there anything in that food that would not, eventually leave the tank as, for example, nitrogen gas? Could a UGF theoretically "run forever" without some sort of export? Now, let's add plants to the mix. Would exporting plant clippings be enough to allow the UGF to, again, "run forever"? Would it be the case that there is some solid matter that would eventually clog the UGF (or have the level of the UGF start to rise)? Link to comment Share on other sites More sharing options...
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