You must remove it shield the honey supers from OAV. Can the frames and comb later be used as honey frames, or, once an OAV frame, always an OAV frame?
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OA coats everything in very fine crystal dust as it condenses in the hive. It dissipates over time by bee hygeine.
The reason to remove or isolate the honey supers before treating is the OA crystals can be absorbed into the honey. If not separated you will have honey that smells like cooked cauliflower/broccoli and has a sharp vinegar/acid tang to the taste. It is not harmful, unless you have oxalates sensitivities. It just alters the honey taste.
Hope that helps.
Ooooo, I might like that then. Sometimes we make cauliflower mashed ?potatoes?.
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