"dkat" wrote in message
. net...
Missed the original post. My Koi (3 butterfly) will not allow me to keep
duckweed. I have to keep it in a pond that only has mosquito fish or it
is
gone in short order.

My frog bog / pond is cpmletely covered in duckweed, I know there are aloot
of frogs downthere but does the duckweed harm them?


/Morten


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