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Subject:
Re: selection of washing fluid influences mite harvest
From:
Richard Cryberg <[log in to unmask]>
Reply To:
Informed Discussion of Beekeeping Issues and Bee Biology <[log in to unmask]>
Date:
Tue, 13 Mar 2018 01:52:35 +0000
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"Winter one has about 40% propanol alcohol."

Might be true in Canada.  US stuff has about 30 to 40% methanol depending on temp rating.  The lower the temp rating the higher the methanol.  I find mites sink like rocks in the stuff I use rated for neg 30 deg F.  Density is about 0.92 versus 0.88 for 50% isopropanol or 0.79 for 95% ethanol.  The blue does not bother me as I pour most of it off and reuse for the next batch of bees before I count.  I have rewashed lots of batches of bees and very seldom get any additional mites.

Dick

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