Mike, Have you tried running a 3-deep without an excluder? From what I've read, you get a bumper crop with 3 deeps without an excluder. And they say that, if you engage in frame checkerboarding, there is very little swarming. Even with older queens. Waldemar ****************************************************** * Full guidelines for BEE-L posting are at: * * http://www.honeybeeworld.com/bee-l/guidelines.htm * ******************************************************