JE> in.  Before the Discus there were a variety of other fresh water fish 
that 
JE> very well.  Just happened across the right combination of parts, water 
nd
JE> plants to make a very stable environment.  More pure dumb luck and "book
JE> learning" than any expertise.  My 50 gallon tank is ok and I'm not 
killing 
JE> livestock, but I have not hit the level of stability of the old 20 
lon.
Your fish are alive and healthy.  that does make you an expert.  A lot of 
ome
called experts lose a lot of fish.  Book learning will not keep fish alive.
    --Phoenix--      Rising Above the Flames
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