I use 8 frame deeps with wooden frames with plastic foundation.
My neighbor got me started years ago, this is what he uses, so we can swap frames/boxes back and forth between ourselves if needed.
You can fit an extra row of boxes on a truck for pollination transporing using 8frame boxes instead of 10's.
8 frame boxes are lighter, and less massive/bulky, so are easier to lift/hoist/carry.
The wooden frames don't warp in the heat, the plastic foundation won't break and tear in the extractor, and the plastic foundation can be stripped of wax and reused when the wax gets old on it.
If you get wax moth damage in the frames, you can strip it clean and reuse the plastic foundation, pressure washing it if you like.
All boxes and frames are the same size, for ease of hive management when needing to swap/move frames around.
Using deeps, I can use standard deep division board feeders when feeding is needed.
Everyone has their own kind/size of equipment they like, and that is fine, this is just what I use and some of the reasons I use it.
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