Product Q&A

Answer:

There is no valid reason to mix synthetic pyrethroids such as Bifen IT and Onslaught Fastcap together.  This would not make either product work better or produce better results.  However, it could make treated areas repellent to bugs, lessening the effectiveness of the treatment.  Neither product can do its job of killing insects if the insects are avoiding the treated areas.

Answer last updated on: 06/03/2018

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