Phil,
There is no need to make the decision now. Let them build for awhile. If you eventually decide to combine, you will, at least, have some extra drawn comb. If they do well, keep them as a third hive. September/October is a good time to determine which hives need combining.
There is no need to make the decision now. Let them build for awhile. If you eventually decide to combine, you will, at least, have some extra drawn comb. If they do well, keep them as a third hive. September/October is a good time to determine which hives need combining.