I dilute it with h2o. I would not have an exact measurement. Soak the suckers within a puddle from the combination. They die! Spray them If they're about the wall and when they fall to the floor, spray by masking them by using a puddle. Reply Connie Oct. 23, 2014 https://brooks7uivg.blog5star.com/31925458/a-secret-weapon-for-how-to-spray-pesticides-in-arar