>This moisture is ventilated under different daily conditions from the hive space through openings in the second part of the outer couver from squre holes out.
The Lyson product is the poly hives that I utilize. I install an additional 1" polystyrene on the inside of the head space and close the plastic top vent plugs with painters tape on the inside. Similar to the cap plugs, the inserts are handy to remove to listen in on the colony:
https://www.betterbee.com/hives-and-components/lyheplugvent-lyson-plastic-vent-plug-black.asp
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