These stinky Maxi-Pads are soaked with toxins intended to kill Varroa mites … they’re hard on the bees, though:
The metal grate is the Queen Excluder. The space between the metal bars is slightly smaller than the Queen’s butt. This means she can freely meander around the lower boxes and deposit her eggs in cells, but she cannot get into the Honey Supers — the penthouse where honey remains free of eggs. Last fall our Honey Supers yielded 13 1/2 gallons of golden, egg-free goo.