Sedgehammer Plus Turf Herbicide 13.5 Grams (4 Packs) * 13.5 gram package Halosulfuron-methyl - 5% * Sedgehammer Herbicide is for use in established lawns, ornamental turfgrass, and landscape areas. Can also be applied in residential turf, other non-crop sites including: airports, cemetaries, fallow areas, golf courses, landscaped areas, public recreation areas, residential property, roadsides, school grounds, sod or turf seed farms, sports fields, fairgrounds, race tracks, tennis courts, campgrounds, and rights-of-way. Each 13.5 g packet makes 1 gallon of finished solution and already contains a surfactant. Each 1.33 oz. bottle makes 40 gallons of finished solution. Each gallon of finished solution covers approximately 1,000 square feet. In high volume broadcast applications, each 1.33 oz. bottle covers 1-2 acres.