Gallup Weed Killer XL is a non-selective weed killer designed for the control of annual and perennial grasses and most broad-leaved weeds. It is a professional, industrial strength weed control solution for landscaping and garden use that must be diluted before being applied to an area. The effects of the weed killer will usually show after around 10 days and will kill the plant down to its root, ensuring a lasting absence of invasive growth. This is a professional chemical not intended for unsupervised or domestic use. As this is a professional product care must be taken when handling and applying this Gallup 360 weed killer. Dilute 20 - 30ml of the weed killer concentrate per 1 litre of water and works best when used in a sprayer. When applying the weed killer avoid spraying during windy or wet conditions to ensure effectiveness and reduce danger to surrounding plants. Knapsack Rate Estimator Gallup XL recommendation Quantity of Gallup XL required per 10L to treat 400m² Gallup XL required per 1 litre spray solution Area of use 4.0 L/Ha in 250L/Ha water 160ml 6ml/1L Water General Use 6.0 L/Ha in 250L/Ha water 240ml 24ml/1L Water Perennial Broad Leaved Weeds Present