Dawn writes
Does humidity effect the the treatment
Bifen alone will not eradicate fleas. You will also need to mix in an IGR to break down the reproductive cycle. Bifen kills the adults that come in contact with it, but then you still have the immature fleas growing and then reproducing. It is a constant battle without the IGR. We recommend Nyguard. Treatment should be reapplied after 14 days if needed and may take 2-3 or more applications. Humidity will not effect the Bifen, it can last up to 30 days on outside surfaces.
Answer last updated on: 08/02/2017