> >Yes - but it needs the warmth from brood below.


So strange.  I've tested at over 33C ambient temperature (even warmer under
the lid) but saw little evaporation.

It just occurred to me that you may be applying it over a single brood
chamber.  How many cm of honey are between your brood and the lid with the
crystals?

-- 
Randy Oliver
Grass Valley, CA
www.ScientificBeekeeping.com

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