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Best fluid for solar panel
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02-23-15, 02:53 PM
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house4u
Lurking Renovator
Join Date: Feb 2015
Location: Ukraine
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I used propylen glycol + water (40%) for my solar sysytem. This winter the lowest temp was -22C and everything is ok. But i know - someone who used alcohol 25% (vodka + water)
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