Sounds like ich to me. There are various medications, but I have found that raising the temp to about 90F for a week will do the trick. The parasite can't take the heat. I often add some salt to a tank if I get an outbreak of ich, too. About half a teaspoon per gallon. Don Donald Nute Professor and Head, Department of Philosophy (706) 542-2823 Director, Artificial Intelligence Center (706) 542-0358 The University of Georgia FAX (706) 542-2839 Athens, Georgia 30602, U.S.A http://ai.uga.edu/~dnute