bubble pack, it is used sucessfully. Whether it is optimal or
>not, I don't know, but doubt it. That probably depends on a lot of things.
>Many of us, however, are convinced that using a wrap that has a black outer
>surface is superior due to the solar gain that can occur on sunny days.
I agree, I feel solar heat is important on the hive packs when wintering in
cold climates. Perhaps it gives them a bit of a break from the cold of the
winter during sunny winter days
Ian
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