Oxalic acid is a newly registered chemical for control of Varroa mites. Product should be used during broodless periods late fall – early spring, in packages, and in nucleus colonies. Do not use with honey supers in place.
Oxalic acid will NOT control Varroa mites in capped brood. The label presents three different methods for treatment. You must follow those directions exactly. The 35 gram pack will treat 20 colonies using the direct sprinkle method and 35 colonies with the use of the vaporizer. It is approved in the following states : Arkansas Colorado Connecticut Delaware Florida Idaho Illinois Indiana Iowa Kansas Kentucky Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New York New Mexico North Carolina Ohio Oklahoma Oregon Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington Wisconsin West Virginia Wyoming This product can not be shipped internationally or by Air Transport