2015-02-03 20:33 GMT+01:00 Paul Johnson <ba...@ursamundi.org>: > >> It seems like an above-ground tank would be more prone to freezing, not >> less. I have lived in two houses that had cisterns, although neither one >> was still in use. >> >> > In this climate, yes, >
actually in all climates. What is varying is the depth you have to go to to avoid freezing in winter, or if it's permafrost you don't have to care because it will be always frozen anyway ;-) cheers, Martin
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