I Dilute it with water. I do not have a precise measurement. Soak the suckers inside of a puddle of the combination. They die! Spray them If they're within the wall and whenever they slide to the floor, spray by covering them with a puddle. Reply Ginny Oct. 29, 2014 https://finn3tbjq.free-blogz.com/78833756/the-2-minute-rule-for-how-to-spray-pesticides-in-arar