 And so usually I'll put that on in the evening, water it in either that evening or the next day, and then you're safe to go back out after that. As soon as it dries, you're ready to go. So you could actually put your herbicide on any time after that. Once that product dries, you would be good to go. It's a little hot for using weed sprays on the turf right now, though, so be careful.