Tag Archives | Oxalic acid
Applying oxalic acid in vapour form. I use a Heilyser Technologies vapourizer attached to a 12-volt car battery. Acid is in the bottle on top of the hive, purchased from a chemist. (Photo: Amanda Goodman Lee)

Treating bees with oxalic acid; a late-winter mite-killing exercise

It’s the beginning of February and we’re just starting to get busy for the start of the new season. If you are like me, you will have a long list of unfinished chores from the fall. From cleaning up and repairing boxes and equipment to finishing those ambitious workshop projects that are supposed to make […]

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