Mike, Thanks for the advice, I'll get the carbon filter back in and start with more frequent water changes. Eric << Eric, I don't think salt will help. Only the fish's normal immune system will cure it. Good food & clean water are the best medicine right now. Mike Wise ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@listbox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@listbox.com. Search http://www.digital.com for "Apistogramma Mailing List Archives"!