GregJohann  wrote in message
news:...
> fool4hws wrote:
> > Hello again,
> > 
> > I really, really need some advice so I am reaching out to the aquarium
> > communities for some much needed assistance.  I would appreciate
> > anyone out there that can help me.
> > 
> > As I previously explained, my Dad has cichlids.  He has a 55 gallon
> > tank with about 15 small cichlids.
> > 
> > Today he drained off some of the water and replaced it with fresh
> > water.  The fish have begun to die.  We cannot figure out what
> > happened.  He lost an entire tank full doing the same thing before. 
> > The temperature is correct and the water as far as we can tell is to. 
> > He has a great filtering system and heater.
> > 
> > What could have caused this?  Is there anything we can do to prevent
> > more fish from dieing?
> > 
> > Unfortunately, he is already talking about giving up the entire
> > cichlid hobby and I have just becoming interested in them myself.  He
> > has endured a substantial financial loss already and this may be
> > perhaps the last straw.
> > 
> > Please help!!!
> > 
> > Thank you,
> > fool4hws
> 
> The water you added could have been too cold (temperature stress), too 
> full of chlorine, or you may have low oxygen saturation in the tank.
> 
> Are the fish "gasping" near the surface?
> 
> Greg

No the fish are not gasping near the surface.  The temperature is just
right.  I think the problem has to do with the new water.  I know
virtually nothing about aquariums or cichlids.  I was trying to find
out information for my Dad's tank.

Thank you for your response.

fool4hws
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