"...decided to use the vapor application method @ 1g per box (higher dose
doesn't show significant mite drop)."

> Vaporizer
> https://oxavap.com/products/
>


After reading the fine print: "Oxalic acid vapors only kill the mites that
are on the bees (phoretic,) not in the brood." you mite want to consider
formic acid.

80% of the mites are in the brood, so you should not anticipate stellar
results with oxalic acid at this time of the year.

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