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Re: [Killietalk] Using Duckweed in a blender as a substitute for greenwater
In a message dated 5/7/04 9:08:20 AM, Rjga at aol_com writes:
<< Duckweed grows best in tanks with too excessive pollutants (mostly
nitrogenous waste compounds and frequently heavy metals). When you blend and
duckweed back in your tanks (in whatever form), you are putting back the
that duckweed managed to remove in the first place. In wastewater treatment
plants in the south, duckweed is used to remove metals, and it is then
landfilled. The treated water is put back in the stream.
But aren't those nitrogenous products needed for the daphnia to prosper. Now
heavy metals are another thing. Actually, in my example, I am removing the
duckweed from the daphnia culturing tubs, grinding it up and putting it back. I
am hoping the daphnia can now feed on the duckweed emulsion.
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