>  I see no reason > not to use USP grade MO. "We only use U.S.
> Pharmaceutical grade MO in our hives.
 
Personally, I wonder if veterinary grade MO, which is cheap in gallon
jugs wouldn't be just fine.  I suppose that will have to be decided if the
MO method becomes an accepted treatment someday.
 
In the meantime, I think Dr. Pedro has made it clear that he is using the
oil which in his opinion is least likely to offend the consumer -- or the
watchdawgs.
 
Allen