"Elaine T" wrote in message news:vlmId.13778
The red colors on your plants are from the light intensity. That's one
of the really fun results of high light intensity and good amounts of
iron. Spot algae is one that likes high light intensity, which is why
you're seeing it now. I'd actually try dropping the nitrate rather than
increasing because you have a lot of fish in the tank, but don't drop the
K.

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__ Elaine T __
__' http://eethomp.com/fish.html '__

Actually the reds may be a sign of nitrate deficiency, or so I recall seeing
on APD
Bob