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Date: | Tue, 15 Dec 2020 09:31:46 -0700 |
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>I have seen notched inner covers, and people suppose that notch serves
as an "upper entrance" which I don't believe it does, since it does not
let in any light. To me that's no entrance at all and probably has very
little effect on air flow. I don't think very many people have the
correct understanding of air flow in a hive in winter (trying to be
tactful here).
Peter,
You turn the inner cover over (notch down) for winter, that way light
gets in, the bees come and go and moisture escapes. The question in
this region of extreme cold and low RH (Canadian Prairies) is whether or
not to "much" moisture escapes (especially in late winter), hence some
have started lowering the entrance down varying degrees on the super.
Most of us have greatly reduced the size, regardless of location.
David Tharle
T'N'T Apiaries
Ardmore, AB
Canada
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