All-natural organic weed and grass killer. Faster and safer than harsh chemicals, Burn Out is made from plant-based, pet-safe ingredients. Kills weeds completely within 24 hours. Breaks down within 2 days of application so you can replant. Safe to use around ponds or streams and vegetable plants. Non-selective - eradicates even the toughest plants. 24 ounces treats 100 square feet.