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David Hare-Scott[_2_]

Thanks

D

wrote:
yes. a good friend has an aquatic plant business and has both
duckweed and azolla that had overwhelmed her plants and kept the
water too cool in her greenhouses. She puts a pump into a container
and then sits the container so that the front edge is just below the
surface and as the water and floaters get sucked in they stay in the
container and she cleans it out when needed. surprisingly it creates
a kind of slow river in the 44' x 11' wide ponds in the greenhouse so
eventually most of the "stuff" gets pulled in.

Ingrid

On Sat, 21 Mar 2009 11:03:43 +1100, "David Hare-Scott"
wrote:
Before I re-invent the wheel has anybody tried this or heard of it
being done? By what method?

David