The PIC Roach Killer Gel using Boric Acid is a traditional method to eliminating roach and ant infestations. With the injector and plunger， the gel is easily administered to cracks and crevices for a more discreet application in areas where roaches can traffic. To control roaches， it is recommended to apply the gel amply behind and under stoves， refrigerators， dishwashers， sinks， washing machines， tubs， water pipes， drains， sewers， electrical conduits， cracks and crevices of baseboards as well as cabinets and closets. The key to eliminating roaches is to apply the gel in dimly lit areas where roaches tend to hide and travel. When applying PIC Roach Killer Gel in kitchens and near food preparation areas， be sure to the follow the instructions on the packaging. Do not apply the gel anywhere food contamination can occur.