Roundup® 5002610 Weed & Grass Killer III Trigger Sprayer, Ready-to-Use, 1 GallonRoundup Ready To Use Weed and Grass Killer III kills the toughest weeds and grasses. Absorbs through the leaf and stem only so killing power won't spread to non target plants through soil. Convenient, no mix formula. Unique formula starts working immediately, with visible results in 3 hours! Kills to the root, so it can kill tough weeds the first time. Rainproof in 10 minutes. Tough weather formula that even works in cool and cloudy conditions (as low