Preparation of Oxalic Acid – For Varroa Treatment
November 17, 2014 by Herts Honey Bee Supplies UK
This treatment and the below mixture is 90+ effective at removing varroa mites from your honey bee colonies. However this should be applied during a period where there is no capped/sealed brood within the colony. This generally happens two times a year: During the process of requeening or swarming and secondly in the winter, typically December-January.
Mix:
- Disolve 1kg sugar in 1 litre of water. (This produces 1.67ltr of 1:1 syrup).
- mix in 75grm of Oxalic Acid Dihydrate powder. This gives a 3.2% Oxalic Acid (weight/volume) solution
Application:
- 5ml of this mixture is trickled between the frame tops that contain a seem of bees sitting between them.
This mixture should keep for a good 4-6 months in a cool and dark place. Once it starts becoming cloudy it should be disposed of and a fresh batch mixed up.
Health & Safety Caution:
It is recommended to always use the correct safety clothing and safety glasses are the most important.
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Herts Honey Bee Supplies UK 
Preparation of Oxalic Acid – For Varroa Treatment
November 17, 2014 by Herts Honey Bee Supplies UK
This treatment and the below mixture is 90+ effective at removing varroa mites from your honey bee colonies. However this should be applied during a period where there is no capped/sealed brood within the colony. This generally happens two times a year: During the process of requeening or swarming and secondly in the winter, typically December-January.
Mix:
Application:
This mixture should keep for a good 4-6 months in a cool and dark place. Once it starts becoming cloudy it should be disposed of and a fresh batch mixed up.
Health & Safety Caution:
It is recommended to always use the correct safety clothing and safety glasses are the most important.
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