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Author Topic: oxalic acid straws?  (Read 3115 times)

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Offline rober

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oxalic acid straws?
« on: October 15, 2023, 05:18:46 pm »
a keeper close to my daughter puts O.A. into paper soda straws & puts those into his hives. he claims it helps. i thought O.A. only worked as a vapor or a liquid drench. opinions please
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