Get to the root and kill grass and weeds with Farm General 41% Glyphosate Grass and Weed Killer. Use for lawn or garden replacement, on patios, walkways, or in and around fences and gardens to remove unwanted grass and weeds. Visible results in as little as 2 to 4 days. Kills all grass and weeds. The 1-gallon bottle makes up to 85 gallons of ready-to-use spray solution and covers over 25, 000 square feet. The 2.5-gallon bottle makes up to 210 gallons of ready-to-use spray solution and covers over 63, 000 square feet. | Farm General Glyphosate Grass and Weed Killer | Size 2.5 gal