re: oh help i can't see

["Hopkins, Samuel" <Samuel.Hopkins at marconi_com>]

>> I'm on my third fish this week that is dying with the exact same
symptoms.  
>> They seem just fine.  Then they start sitting at the surface gasping for 
>> air.  their nose gets red in front of their eyes.  Then they just
collapse.  
>> It just takes a hour or two from start to finish.  The last thing i did
was 
>> put a teaspoon of KCL from some ice melt in the tank.  Only one fish at a

>> time.  I would have thought if there was some foreign substance in it
that 
>> all of the fish would be affected in some way.  But some are spawning at
the 
>> same time.  help?

I had this happen to me. Turned out to be a bateria infection. It might also
be your NITRITE levels.