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Old 08-02-20, 10:45 AM   #8
WillyP
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Join Date: Jul 2020
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[QUOTE=gadget;62912]The other problem with oil is messy leaks. There will always be a leak at some point.

I ran an open tank hot water setup in my greenhouse a few years back. Water temp was 100F.



So in you system how did you heat the water? Did it just reach 100°F by being in the greenhouse? Or was there some sort of heater?
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