Of spray solution and treat up to 25,500 sq. You can see visible results in 2 to 4 days. For use in a tank sprayer. Of water for best results. The item "Roundup Super Concentrate Weed & Grass Killer 5004215-sale fast ship SALE" is in sale since Sunday, May 10, 2020.This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Weed & Pest Control\Weed Control\Herbicides & Fungicides". The seller is "marta2427" and is located in Bridgeport, Connecticut. This item can be shipped to United States.