8-frame medium

1st year: I started 2 8-frames medium hives from NUCs in June this year, here in Alexandria, VA. Today is the end of July and all 3 boxes seem to be popping out comb, honey, brood. In particular, the one hice has brood inthe top most box with cross comb.... I noticed cross comb now in one of...

This year I switched over to all 8 frame medium equipment with top entrances. In the past, I ran two 10-frame deep boxes for brood, and then added shallow supers for surplus honey to extract. My understanding is that it takes four 8-frame medium supers for the brood chamber to be equivalent to...