Mosquitoes can be up to 10,000 X times more sensitive to natural garlic oil than humans! Most home, cottage owners and Professional Lawn Care applicators traditionally apply about 3 applications of this water based, garlic oil based, 10-year proven, Canadian-made product a season. Garlic oil odour disappears within hours. Safe when used as directed for plants and pets. Can treat up to 3000 sq.ft.