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  • VARROX® - Vaporizer

    VARROX® - Vaporizer

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    Product description


    Add the required amount of oxalic acid dihydrate to the pan. Place VARROX® through the flight opening below the bee cluster. Close the exit opening with sponge strips or a damp cloth. Attach to the 12 V car battery for exactly 2 min 30 sec. Disconnect and remove VARROX® after a while. Dip the pan while still warm in a bucket of cold water to cool it to the initial temperature. Close the opening of the entrance for another ten minutes. Best results are achieved in broodless colonies at outside temperatures above 8 °C.

    Treatment Profile

    Oxalic acid dihydrate is a white powder with a high acidity. When evaporated with VARROX®, the vapours will re-condense as oxalic acid dihydrate on the bees and combs. The fine crystals only kill Varroa upon contact. Varroa in closed brood cells is not affected by the oxalic acid because there is no physical contact. Varroa mite trap peaks on the second day.

    Oxalic acid dihydrate evaporates in two steps and breaks down into inactive vapours at high temperatures. The VARROX® design allows for repeatable accuracy for each treated cabinet when the directions for use are followed.


    Oxalic acid vapours cause eye and respiratory tract irritation. Do not use it indoors. Always wear protective clothing, safety glasses and a face mask. Always treat your bee colonies with the wind at your back.

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