Re: Mildew Inside Hive
You are moving in the right direction, dry sugar will help absorb moisture. But, powdered sugar generally has cornstarch added to prevent clumping of the sugar. Cornstarch is not digestible by bees, so its not recommended to feed large amounts of powdered sugar. Ordinary granulated sugar is a better choice.
Originally Posted by bluescorpion
I agree with the advice above to also provide some kind of top vent to allow moisture to escape. One option is simply a small shim under the lid.
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