Mix 1 part Mosquito Denial to 3 parts water in a pump sprayer. For example, to make 4 gallons of spray solution, mix 1 gallon of Mosquito Denial with 3 gallons of water. 4 gallons of spray solution covers approximately 21,700 square feet or 1/2 acre. For smaller areas like flower beds and decorative ponds, mix 8 ounces with 24 ounces of water and spray standing water. 32 ounces of spray solution treats approximately 1,356 square feet. Spray mixture during calm conditions on the surface of standing water. Spray all shallow areas weekly or as required. This product is for residential use and can be used anywhere water is allowed to stand such as ponds, flower beds, and decorative water features. If dusty film appears on the water in less than a week, repeat treatment if needed.