Waldemar asked:
> Is there any risk from the OA treatment to open brood or very young
> laying queens?
See caveat on oxalic acid here:
http://www.stratford-upon-avon.freeserve.co.uk/Newsletters/April2006.htm
Best wishes
Peter Edwards
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www.stratford-upon-avon.freeserve.co.uk/
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