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RE: Duckweek and nitrogen fixation
> Date: Sat, 8 Nov 1997 00:25:55 -0500 (EST)
> From: TYELLA at aol_com
> Hello all,
> I may be misremebering, but doesn't duckweed fix atmospheric
> If so, it may cause some problems. I doubt, however, that an aquarium
> will ever be nitrogen limited, so maybe there will be no problem at all.
I add substantial amounts of KNO3 to my tanks in order to keep the nitrate
levels at 5+ ppm. Heavily planted tanks can easily be nitrogen limited.
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to an invitation. - Jean Shinoda Bolen