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Oxalic acid for Varroa mite control.
This treatment kills the phoretic mites (those mites not under capped brood). This pack will treat 12 colonies. Treatment is not recommended unless you know that your varroa mite count is approaching or in excess of the treatment threshold.
Dribble Method: Dissolve Oxalic Acid in one liter of a 1:1 sugar syrup solution before applying to the hive. Complete instructions are included.
Currently NOT approved for use in the following California or Mississipi.