> From:    yoonytoons <[log in to unmask]>
> Subject: Re: Varroa treatment concoctions
>
> A litter is *about* a quart; hence 30 gram of OA in a quart of syrup is
> the measure I used; therefore, 30% was inaccurate.  Since measuring 30
> gram per every quart of syrup was tedious, I used two-gallon syrup with
> 240 gram OA in one batch.  Jim, help me with my math! (Please note that my
> 30 gram is less than the recommended 35 gram)
>
Yoon,
The proper amount of Oxalic acid is around 4%, not 30%!
Mix 7,5 parts OA (C2H2O2*2H2O) with 100 parts water and 100 parts sugar by
weight.

http://www.algonet.se/~beeman/research/oxalic/oxalic-0-nf.htm
http://www.entom.slu.se/res/bi/proj16b.html

--
Regards

P-O Gustafsson, Sweden
[log in to unmask]  http://www.algonet.se/~beeman/

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