> The oxalic acid desublimes to a fog of oxalic acid crystals the instant
> the temp drops a bit and that is within an inch or less of the sublimer as
> near as I can tell.
Hang on - if it recrystallizes an inch from the apparatus, how does
the dose reach all over the hive? Are the crystals so tiny and light
that they just float in the air?
I have a slatted insert between the bottom board and the brood box,
and I wonder if it could be interfering with the OA vapour (or tiny
crystals!) going where they need to go...
Anne, backyard beekeeper, Montreal.
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