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OA drench in PNW

2K views 1 reply 2 participants last post by  jaybees 
#1 ·
I am going to treat with an oxalic acid drench this fall/winter. I have read to wait until the bees are broodless and even clustered, do you wait until winter and treat on a warmer day? I would think cracking the hive open and dumping fluid on the bees in cold weather would be detrimental, but I have no experience there so I don't know. What are your thoughts on timing? I am in Eastern Washington.
Thanks,
Ben
 
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