I see you guys are having it out over how much of this and that
The suggested  recommendations from the tech transfer research end of the
Ontario Beekeepers Association OBA  is proven and widely used across
Ontario/Canada etc
I myself went to a farm supply and purchased a conical shaped  hand sprayer
holding about a quart of liquid, the one with the stick on top that you
pump  and the one pulls the trigger  . The type spray is controlled by the
nozzle and amount by timing the rate of spray along the opening/ bar space.

hope this helps

*Oxalic Acid Treatment Protocol*

*Trickle Method *



*Preparation:*



•          Prepare 50% sugar syrup (eg. 1 kg of sugar in 1 L of water).

•          Add 35 g of *oxalic acid dihydrate *crystals to 1 L of syrup.

•          Agitate the solution by stirring vigorously or shaking.

•          The crystals dissolve best if the sugar solution is warm.  All of
the crystals must be  dissolved.

•          Prepare the solution within days of treating the colonies and
keep refrigerated until   use. but bring up to room temp    before using

•          1L of the oxalic acid solution will treat 20 colonies.





*Trickle Application: *

*   *Oxalic acid should be applied late in the fall after brood rearing has
ceased.  Treat when the temperatures are cooler (in the morning or evening)
to ensure that the bees are in the hive to receive the treatment.  Using a
60 ml syringe or an oral drench gun (both available at farm supply stores),
apply *50 ml *of the solution directly onto the bees in the cluster.  Trickle
the solution between each frame containing bees.  When treating doubles,
split the boxes and treat the bees in both boxes (25 ml in the bottom box
and 25 ml in the top box).  After application, the colony may be wrapped for
the winter the same day.


Walter

littlewolfapiaries.com

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