Hi Dave: background level Reply: Can you describe the parameters for qualifying the background level you talk about, as in my mind I would think it would vary depending upon type bees, strength hive, and local. What would the range be high to low? Respectfully submitted, Dee A. Lusby Small Cell Commercial Beekeeper Moyza, Arizona http;//groups.yahoo.com/group/organicbeekeepers/ __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com -- Visit www.honeybeeworld.com/bee-l for rules, FAQ and other info ---