Wilson® AntOut® Ant Killer Dust is a fine, odourless powder designed to effectively control ants. Use in areas where dust application cannot be affected by heavy rains or high winds. Lightly coat areas where ants are seen or may hide, such as around building foundations, window and door sills, patios, porches, along ant trails and around gardens. Do not apply to food crops. Indoors, lightly coat areas where ants are seen or may hide, including cracks and crevices, behind and beneath appliances, cabinets, sinks, garbage cans, pipe and drain openings, attics and basements. Will kill ants within 48 hours.