Re: Oxalic acid dribble didn't work. What went wrong? Can I treat again?
Ben: I had warned against using hot water to mix up oa but only because a whiff of the steam the hot water puts off can be pretty nasty. My guess is that it is a bit too early there for your bees to be broodless. In our area a September treatment needs to needs to give you at least one week of effectiveness. OA will only be effective for a few days at the most.
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