I dilute it with drinking water. I do not have an exact measurement. Soak the suckers in the puddle with the mixture. They die! Spray them if they are to the wall and after they fall to the floor, spray by covering them with a puddle. We use cookies to https://myindexdirectory.com/listings523407/5-easy-facts-about-how-to-spray-pesticides-in-arar-described