On Mon, Sep 2, 2013 at 1:47 PM, Medhat Nasr <[log in to unmask]> wrote:

 In cases like formic acid, it  can penetrate the cell capping that is made
of wax and pollen. If the fume concentration is high enough, it can kill
male mite as observed in MAQS application.

Medhat,
so what's your take on fume concentration vs concentration of the acid
itself?

I ask since maqs are 45% and those who make their own use 65%
Which kills male mites quicker? or were they always killed with 65% and to
sell maqs they throw in the gimmick -- kills male mites.

Walter
littlewolfapiaries.com

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