Thanks all for your responses. It is the brood chamber alright but I think I will leave it until the spring and then attempt it. It's just hard putting back in the frames without squeezing bees between the frame end lugs and the rest at the edge. We'll get theough the rest of the season though...
I have had my fist colony in a national hive for a few months but realised that the metal runners are not on the brood super and the bees always get angry when I am putting the frames back during an inspection. Any tips on putting runners on now without disturbing the bees too much?
I am a new...