Successfully did an oxalic acid vapor treatment of both hives. This is best done when there is no brood or honey supers. I do have brood but I did it now as I missed the window of opportunity earlier. I will do another followup treatment in a week or so to catch other emerging brood. After that, I'll wait until just before winter when the queen isn't laying. No real issues or lessons learned, except maybe to have a real clock out there instead of a cell phone. Or a kitchen timer type of thing.
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