The message
from Judith in France contains these words:
On Mar 6, 5:26*pm, Sacha wrote:

Any chance that frogs and/or tadpoles eat duckweed?!

Straw will clear it. Don't know about Frogs though.

Barley straw controls algae, but not duckweed, AFAIK.

However, if you put some straw in a basket beside the pond and scoop
duckweed into it, the water will flow back and the duckweed remain
amongst the straw.

Goes well on the compost heap.

Nitrogen and other nutrients in the water encourages duckweed, so be
sparing with fertilisers where any run-off may get into the pond(s).

--
Rusty
Growing old is mandatory; growing up is optional.
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