Dr. T's Mosquito Repelling Granules is an ideal product to apply to areas before outdoor weddings, pool and patio parties, or anywhere people will play or work. Can be used around kids and pets when used as directed and has a pleasant aroma. Dr. T's Mosquito Repelling Granules is an alternative for mosquito control in poison sensitive areas such as around farms, ponds, animals or playgrounds. Granules will last for about two to three weeks under normal weather conditions.