Eliminate mosquito larvae around your property with TERRO No Mess Mosquito Larvacide Pouches. Use it in fish ponds, bird baths, gutters, rain barrels and other areas with standing water. Once applied, the pouches dissolve quickly to release larvacide that kills mosquito larvae before they have a chance to turn into biting adults that may transmit diseases. The dissolvable pouches mean there is no dust and no mess from having to break open a package. Plus, this product can be applied in areas with plants and aquatic life, as well as areas used by humans, pets, birds and other wildlife. Use one pouch for every 50 square feet you would like to treat.