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Mary Fisher
 
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Default Polycarbonate conservatory roof cleaning?


"Mungo" wrote in message
ups.com...


Not a solution to your immediate problem, but I've heard that algae
doesn't like
copper so perhaps a discrete length of copper wire that will slowly
dissolve
in acidic rain might be a long-term prevention idea?
I'm planning on running a length along the ridge of my house, but fear
that it
might attract lightning.


Si - it won't ATTRACT lightning!

Lightning conductors aren't there to attract it but safely to run the power
away.

Mary