Galabar Posted May 15 Share Posted May 15 So, imagine that you had a sump that was opaque and sealed to prevent evaporation. Are there any fish that wouldn't mind that environment? I suppose I could cut a hole in the lid (think rubbermaid), add a plexiglass top, and a small light on a timer. However, are there an fish that like the dark (blind cave fish?)? Link to comment Share on other sites More sharing options...
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