Any bad experiences doing this? I am mainly concerned with the edge of the heavy glass carboy damaging the element when setting down and perhaps causing a fire, or perhaps a liquid mess covering the pad and perhaps shorting the electronics.
This heating pad:
http://www.amazon.com/dp/B000F54AOW/?tag=skimlinks_replacement-20
This heating pad:
http://www.amazon.com/dp/B000F54AOW/?tag=skimlinks_replacement-20
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