About this item

• Kills mosquitoes before they're old enough to bite
• The only product with bti, bacteria toxic only to mosquito larvae
• Lasts for 30 days and treats 100 square feet of surface water
• Non-toxic to all other wildlife , pets, fish, and humans
• Labeled for organic gardening by the usepa
• Use Mosquito Dunks in any standing water including rain barrels, bird baths, tree holes, elevator shafts, planter reservoirs, rain gutters, etc