Im looking for some ideas to help fix my sand bed. I tried maxing out the flow, feeding less, and blackouts but none worked ENOUGH. Sorry I can't get a picture ATM. Would a sand sifting goby work? I already have a watchman goby that never comes out and I don't believe you can have two. Any inverts? My rocks aren't glued together so I don't want something making the rocks shift. Off topic question, I have never once fed my watchman goby but I do know he's alive. Im worried about his nutrition. Anyone know anything about that?