This is where I would begin if this is only a recent phenomenon.
Julie <'><
>From: Peter Unmack <peter.lists at>
>Reply-To: r_m_l at yahoogroups.com
>To: rainbowfish <r_m_l at yahoogroups.com>
>Subject: [RML] popeye
>Date: Sun, 4 Dec 2005 09:03:44 -0600 (CST)
>
>G'day folks
>
>I've noticed now for the second time after I have done a water change that
>a couple of my fish have developed "popeye" rather suddently, which makes
>it pretty likely that something about my water is causing a problem rather
>than it being a bacterial outbreak (although maybe stress from a water
>change could trigger it, but overnight seems a bit too quick for
>something bacterial?).
>
>So all of my water is aged usually a couple of days with a large air stone
>in the same room as all of my fish, thus water temperature should be
>pretty similar. I usually do >80% water changes. And I usually refill
>the tanks over an 30-60 minutes or so. I usually just dip a five gallon
>bucket in my water containers and pour it into the fishtank moderately
>vigorously. There are never any signs of air bubbles, or anything else
>unusual. This is the same way I have been doing things at the same place
>for 2-3 years. Only one species has been a problem, fathead minnow, but
>I've had them in the lab for 4 months or so without any similar incidents
>until last week and this week.
>
>Anyone got any clues as to what is going on, and what I might do to
>prevent this reoccurring? I searched around online and found a variety of
>information about it (quite conflicting too of course). But saw little
>about water changes, except that sometimes water that hasn't degassed can
>cause a problem, but you should see lots of bubbles on the sides of the
>aquarium, which I never have.
>
>Thanks
>Peter Unmack