Weed Eliminator-Now in Gallon covers up to 1000 feet Healthy for Plants-Effective Weed Eliminator-Environmentally Safe covers up to 1000 feet. Does a superior job of breaking down organic matter, emulsifying it, and lifting it away. De-Oils and dries up leaves to crumble and turn brown. Best to Spray during Sunny days and as close to root for easy weeding.