Kills tough weeds, brambles, ivy and tree stumps Breaks down naturally in the soil to allow replanting One use is effective for most weeds however another application may be required after 3-4 weeks Contains glyphosate Comes in easy-to-use 80ml sachets Simply add the sachet to 800 ml of water to treat over 30m² of unwanted vegetation Doff Advanced Concentrated Weedkiller is a highly effective glyphosate-based weedkiller. A systematic weedkiller for the control of annual and deep-rooted perennial weeds such as grasses, docks, nettles, willowherb, dandelion and many more. One 80ml sachet can be diluted with water to treat over 30 square metres – making it ideal for clearing wasteland. This powerful weedkiller destroys most weeds down to the roots with a single application! Can also be used to stop cut trees and stumps from re-sprouting and to kill climbing ivy.