Perbio Choc is the strongest ready to use insecticide in the UK.
 
It is specially formulated to instantly kill all flying and crawling insects including red mite as well as providing three months of control after a single treatment. We use it here in our chicken boarding houses with fantastic results.  
 
Kills insects within seconds and red mite and all other flying and crawling insects Effective for three months.  Use at a rate of 50ml per 6 square metres so very cost effective.