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"Alex" <samalex@gmail.com> wrote in message
news:1160490515.465473.73990@i42g2000cwa.googlegroups.com...
> We have a 25' above ground pool (48" deep), and we are looking for ways
> of heating the pool now that it's starting to get cooler outside.
Three basic methods:
1 Conservation = use of a solar blanket (bubble
blanket) to delay loss of heat on cool nights.
2 Active heating, burning electricity or fuel.
3 Passive solar = adding to the pump circuit
a long length of black hose exposed to the sun.
During recirculation, this travel through sunshine
increases water temperatures 2 to 5 degrees
Celsius even in Canada. Special multi-channel
hose is sold specially for this purpose.
--
Don Phillipson
Carlsbad Springs
(Ottawa, Canada)
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