> Hello Andy and All: > The info I typed is taken off the packing list on bottle. I myself >use it twice a year. Spring and Fall. If it works for you use it.... If I had all money I have spent on FUMIDIL-B I would be able to retire, as it is I do have all the empty bottles I have used lined up on top a 12 foot block wall inside my wood shop which is 40x80 and they extend around the building.<G> A very impressive sight to any beekeeper who knows the cost of this drug.