Mosquito Dunks Biological Mosquito Control -- Kills Mosquitos before They Are Old Enough to Bite - 2 Pack

Kills mosquito larvae. completely non-toxic to animals such as fish, birds, wildlife and pets. each dunk will last up to 30 days in standing water and will cover 100 square feet of surface. safe to use in pet watering bowls, horse troughs, lakes, bird baths, fish ponds, flower pots, aquatic gardens, flood control basins, unused swimming pools and other areas where standing water is a possible breeding ground for mosquitoes. 2 Pack

Simply apply Mosquito Dunks® to any standing water, or water garden; Kills within hours lasts for 30 days or more; Highly effective low impact product *Each dunk® kills mosquito larvae for 30 days or more *Approved for use in organic production. *Each dunk® covers up to 100 square feet of water, regardless of depth for 30 days or more *Use Mosquito Dunks® in any standing water including rain barrels, bird baths, tree holes, elevator shafts, planter reservoirs, rain gutters, etc *Easy to use, simply place a dunk in any standing water once a month *Unused and dry dunks retain their potency indefinitely