Oxalic acid vaporization is simple and safe when you respect the vapor. The exact respirator and cartridges to wear, what the EPA label requires, a step-by-step treatment with an InstantVap, and the mistakes that cause burns.
Four cordless oxalic acid vaporizers, one decision. Here is exactly how the InstantVap Lite, Compact, Original and Turbo differ in speed, battery draw, features and price, and which one fits your hive count.
Treating Package Bees with Oxalic Acid: The Best First Treatment a New Colony Can Get
A new package has no brood, so every mite that came with it is exposed. One well-timed oxalic acid vaporization can clean the colony before its first brood is capped. Here is when and how much.
Treating a Swarm with Oxalic Acid: One Dose for a Clean Start
A freshly hived swarm has no capped brood, so every mite is exposed. One oxalic acid vaporization at the right moment can clean the whole colony. Here is exactly when.
How Much Oxalic Acid Per Hive? Dosage, Timing and Schedule for Vaporization
The legal max is now 4 g per brood box, but most beekeepers get their results from 2 g on the right schedule. Here is the dose we recommend, how brood changes the number of treatments, and the two best treatment days of the year.
Which varroa mite treatment actually works? We compare every legal option in the US with efficacy numbers from peer-reviewed trials, temperature limits, honey-super rules and cost, and explain why oxalic acid vaporization has become the go-to for most beekeepers.