> An upper entrance in the form of a 1-inch auger hole just below the upper
handhold is coming into general use
That is an entirely different animal, thermodynamically, than a "top"
entrance at the very top of the hive.
And the restricted lower entrance is very different than having a screened
bottom board, as far as air flow.
Randy Oliver
Grass Valley, CA
530 277 4450
ScientificBeekeeping.com
>
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