How To Kill Mosquito Larvae In Pool. 15% of vinegar will kill mosquito larvae in 85% water. A single milliliter of soap in a gallon of water will kill.
Add dunks to any water, including ponds, once a month. Add just a tiny bit of soap to standing water and it kills mosquito larvae in about a day.
A Guide To Natural Mosquito Control In Garden Ponds
Adding a fountain waterfall or other device increases water circulation and reduces the stagnation that allows mosquitoes to breed. Adding apple cider vinegar to standing water effectively kills mosquito larvae.