Tordon RTU Herbicide Tree Stump Killer – Quart
Sale on Tordon RTU Tree Stump Killer – Quart Size. Tordon RTU. Hornbeam (Carpinus spp.). RTU stands for Ready-To-Use, and that’s just what it is. Alder (Alnus spp.). Elm (Ulmus spp.). Always read and follow the label directions before using any pesticide product.