> >Use a plastic cup (reusable) which will hold 10 ounces of liquid nitrogen 
> >to pour the nitrogen into the can.
>>
>>pour 2 ounces in first and let smoke till smoke stops and then pour in the 
>>other 8 ounces.
>
> Is the entire 10 ounces of liquid nitrogen poured into the can onto each 
> frame of brood?

yes.

The process seems to work better if you pour a couple ounces and let settle 
and then pour the rest. 10 ounces per can is correct.

 As I'm a cattle rancher with a liquid nitrogen
> semen tank, I'm interested in trying your hygienic testing method.

You should! easy to do with simple procautions.

 maybe you might ad a few precautions to the method Jim?

I always hate to post a simple method using simple methods. especially after 
the BEE-L issue over using oxalic acid dribble which those which have used 
see as fairly safe mix and to use.

Keeping away from eyes , breathing and off skin with all chemicals is 
important. Even apistan, checkmite , apiguard,apilife var, menthol , formic 
acid etc.

bob

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