Available in National, Langstroth and Smith sizes. With hinged doors on three sides above and below.
Snelgroves ingenious swarm control method is suitable for the beekeeper with a few hives in the garden. It relies on splitting the colony and continously bleeding young bees from the top brood body to the lower part of the hive.
Methods of use vary, however snelgroves first method is as follows:
Reorganise the hive with the queen on one frame of open brood, with other broodless frame, at the bottom, then a queen excluder, supers and finally another box with all other brood frames. Four days later, put the snelgrove board under the tio box and manipulate the entrances ihn sequence:-
Day 4: Open top left entrance
Day 7: Close top left, open bottom left and top right
Day 14: Close bottom left and top right, open bottom right and top back.
All queen cells in the top boxes should be destroyed and the two brood boxes later united.