bela Posted March 29 Share Posted March 29 Hello: I have got a 15 gallon tank with a Mutifasciatus colony. They are doing just fine. The problem is that the tank has an undergravel filter and it is becoming (the tank) very dirty because the fish keep moving the gravel around big time. I do not plan to change the filtration system any time soon so I was wondering if I can make something to stop them digging so much. A couple of ideas that have come to my mind are 1.- putting a layer of medium sized lava rock all across the bottom. Heavy enough so they cannot move it. 2.- putting some type of net or mesh between the gravel and the shells They would keep their shells anyways Any help would be great Thanks Link to comment Share on other sites More sharing options...
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