Dispenser for Formic or Acetic Acid

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Formic and acetic acid dispenser Lyson – a simple and helpful solution for your apiary

With the arrival of September, it is time to finally deal with the population of the Varroa destructor, which weakens the winter bee generation. It is also worth protecting the combs taken out from the hives against the destructive effect of the Wax moth. In both cases, a 120 ml acid dispenser from the Łyson company offer may prove helpful.

How to use the dispenser?

The optimal time for the treatment is late summer, early autumn. It is safe to carry it out when the air temperature outside does not exceed 23-24 °C. The dispensers should be filled with formic acid a few hours before putting them in the hives. This is to ensure that the absorbent material contained in them soaks up evenly. This can be done even a day before they are scheduled to be placed in the hives. Formic acid vapours are heavier than air, so the dispenser should be placed on top of the nest. Lyson hive ceilings are equipped with holes compatible with the dispensers, so they can be placed under the roofs without the slightest interference with the nest and without disturbing the bees. The evaporation surface of our dispensers can be adjusted. In the initial phase, the opening should be small. The bees usually seem irritated at the beginning of the treatment: they come out in front of the hive and fly around it. Over time this behaviour disappears, and if the temperature does not exceed the maximum allowed value, the evaporation surface should be increased. The adjustment of the dispenser offers 6 opening sizes. This feature allows to take notes, and check the correlation between the temperature and the size of the opening and the behaviour of bees in colonies of different strengths. This subsequently allows the beekeeper to formulate an appropriate, effective and safe way for using the dispensers. 70-80 ml of acid can be poured into a single device at a time. This is the amount that the dispenser is able to absorb and evaporate efficiently. Some people assume that in order to effectively control Varroa, approximately 150 ml of formic acid should be used, which requires refilling the device. Currently, however, some scientists are inclined to conclude that a dose of 40 ml is enough to effectively get rid of V. destructor specimens. One maximum dose that the dispenser can hold should then be sufficient if the formic acid treatment is a part of a wider, all-season Varroa-fighting strategy.