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Duckweed



In Digest V2 #1059,  "David W. Webb" <dwebb at ti_com> wrote:

>Although I haven't made the measurements to tell what nutrient is high in a
>duckweed-covered tank, I find that flourishing duckweed generally indicates
>the right conditions for flourishing algae.  The nice thing about duckweed
>is that it's a lot easier to harvest than algae.  ;-)

It may be easier to harvest, but in my experience its d@mn harder to erradicate!

Ever go away for a week and come home to find a 1 to 1.5" thick layer of
duckweed strangling your tank? <shudder>

-- dj