I haven't tried this, Paul... but, at this moment I am dealing with a fish that I received 2 weeks ago that will not eat. I even gave him blood worms today soaked in Sea-chem garlic. He will approach the food, some times even put it into his mouth, but will then spit it out. He did come to me with one gill not working properly, but I dipped him in methlyene blue, added salt to the tank, and his gill was working within 24 hours. Gill appears healthy now. It is maddening. Currently I am adding metroplex to the water column, raised the temp to 88 degrees, and changing 75 percent water every other day. I will try the orange peel (whether it works or no)
thanks for the tip!