Google Solar pool heaters. My local pond supplier has a solar unit, which
looks like the ones for swimming pools. Has a manifold on each end, and
small diameter tubes connecting the manifold. Hers is PE plastic. Can be
used to heat the pond, by running it only during times of sunshine, or cool
the pond during hours of darkness. She set hers up with a small pump, but I
am afraid that if the pump doesn't have a pretty good mechanical filter, the
small tubes could become clogged.
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RichToyBox
http://www.geocities.com/richtoybox/pondintro.html

"mostyn30" wrote in message
...
Can anyone tell me if there is such a thing as solar heaters for a ponds
if so where can I get one from in the UK.
Mostyn