Change diet. Maybe, your frozen bloodworms and BS have high bacterial load. Try dry food for several days. Lilia On Wed, 17 Feb 1999, Walter McCree wrote: > Checking the heater was actually my first thought. I checked it, after I > took the dead fish out, (probably not the correct order) and couldn't find > any problems. > > My second thought was, if it was a heater, or other electrical, problem > wouldn't it have effected all the fish at the same time instead of over a > week period? > > Maybe I'll put a different heater in there just to be safe. > > Thanks, > Walter McCree > ------------------------------------------------------------------------- This is the apistogramma mailing list, apisto@majordomo.pobox.com. For instructions on how to subscribe or unsubscribe or get help, email apisto-request@majordomo.pobox.com. Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!