>  could you explain why you want to use a vaporiser....and one person can 
> trickle faster that vaporise.

I'll tell you I vaporize, rather than trickle. Winter!

OA by any application method, must be used when the colony is broodless. 
That means waiting until the middle of November, and even then there will 
be some colonies with brood. My hives are multiple stories...usually 3. I 
wrap my hives for winter.

To trickle with OA, the hive must be taken apart, giving the bees in each 
box some of the solution. Which means not wrapping the hives until after 
treatment.

Now, if I wait to wrap my hives until after I treat, there is a good chance 
that I may not be able to get to my bee yards. I expect snow any day now, 
and probably enough to prevent me from driving into many of them.

With OA(v), I can get wrapped...should finish this weekend...and then I can 
treat. Carrying...or tobogganing...the vaporizers and batteries into a yard 
is way easier than trying to carry in all the wrapping materials and 
carrying out any feeders or extra equipment from unites, etc.

As to speed...two of us can treat 150 colonies a day. Trickling may be 
faster with 1or 2 story colonies, but with 3 story colonies packed with bees?

Mike


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