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Condensation in top cover


I noticed quite a bit of condensation inside the roof of my flow hive when i did an inspection yesterday. i am using a top feeder and yesterday the temperature outside was 37c/81f. should i be venting the top somehow to let the condensation out?


Hi @Tom_Glaspie and welcome - I’ve seen some condensation inside my Flow roof as well as the standard outer covers in my area during spring and summer months too, plus mildewing on the bare wood inside and in the sugar syrup :stuck_out_tongue_closed_eyes: as a result. This year I’m trying these:


Hoping they will provide the extra ventilation my hives seem to need! So far I’m very happy with how easy they make it to quickly check & add feed when the weather is bad - I put them on top of the inner covers just under the outer ones, so all I have to do is tilt the lid up :wink::+1:

The other thing to consider is whether you need to keep feed on as it warms up. I’m feeding my two hives because they’re very small and both are requeening at the moment, plus we’ve had a lot of rain in these last few weeks. Low numbers plus bad weather have me concerned they won’t be able to forage enough during this otherwise peak nectar flow for our area!


Type in ventillation" in the search box… there is heaps of good reading.


Thank you for the tip i appreciate it!


Hi Tom, and welcome to the forum. I am 100k’s north of Brisbane in a sub-tropical climate where we often get rain and high humidity periods, I have made my own migratory lids with a metal vent at each end which has fixed that problem in my hives. I was told the bees would propalise the vents so I was wasting my time but after more than a year all the vents are still open. the added ait flow through the hive will also cut down the risk of mold and mildew.


Made a hole the size of a recessed bath plug. Screened on the inside.

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