In case you don't look at the "Calendar" section of this blog, please be aware that there will be a club meeting this Saturday (September 19th) at the Fund du Lac public library at 9:30AM. Discussions will cover your honey harvest results and preparations for winter.
If you plan to apply anti-mite chemical this is the time to do it. Most chemical treatments require warm days to distribute the chemical fumes throughout the hive. Temperatures may not be high enough in October and definitely not high enough in November to accomplish this.