Mosquito Larvacide
Mosquito Dunks. 6 pc. package: HY
Mosquito Dunks. 6 pc package Place Mosquito Dunks in ponds or standing water and it's active ingredient, Bacillus thuringiensis subspecies israaelenses called BTI kills mosquito and black fly larvae for 30 days or more.
Merchant: Kalyx
Microbe-Lift 2 Ounce Mosquito Control for Fountains
Features: Biological larvacide. Kills larvae within 24 hours. Kills mosquitoes before they become biting adults. Aqueous suspension for small decorative ponds, fountains, water gardens, and planters.
Merchant: Shopping Warehouse