The fast and powerful root kill action of BioAdvanced Weed and Grass Killer 1 Gallon ready to use nested sprayer begins working after 3 hours. Our multi-purpose formula provides maximum control to kill even the toughest brush. Only one application is needed to kill annual and perennial weeds dead so they do not come back. Not all weed killers are the same. Whether treating spots or landscapes, along fences or in walkways, BioAdvanced Weed and Grass Killer works the first time, every time. Proven results. Peace of mind. Make the switch. This is a NON-NEONIC product. Reviews There are no reviews yet. Be the first to review “BioAdvanced Ready-to-Use Weed and Grass Killer RTU Liquid 1 gal” Cancel replyYour email address will not be published. Required fields are marked *Your rating * Rate… Perfect Good Average Not that bad Very poor Your review *Name * Email * Save my name, email, and website in this browser for the next time I comment.