OA unless a licensed treatment such as Api bioxal is illegal as a varroa treatment.
However, it is not illegal as a disinfectant, in the same way as thymol.
That’s my my understanding.
I’ve got both, the Gas Vap is easier to use and doesn’t require mixing of a solution.
you need to make sure you keep the tube clear in the Gas Vap (using the dosing cup handle), it also gets very hot and you need leather gloves and a pan of water to cool the caps down.
I couldn’t get the...
https://www.ars.usda.gov/northeast-area/beltsville-md-barc/beltsville-agricultural-research-center/bee-research-laboratory/docs/oxalic-acid-faqs/
seems to have already happened?
As others have said, this one - Rothenberger Hotbag Deal Kit Includes Superfire 2 Torch, 15mm Pipeslice, Soldering Mat, Map Gas and Carry Bag : Amazon.co.uk: DIY & Tools