Deadfast Weedkiller will kill most living plant tissue on paths, drives and wasteland. It can be applied straight from the sachet to clear well established woody weeds and trees, or diluted down to eradicate large areas of weeds and plants. The active ingredient works through systemic action as it is carried throughout the plant by the sap. After absorption through foliage or cut stumps, the Ammonium Salt of Glyphosate is carried to the outer extremities of the plant’s root system where it begins to work. Effects should be visible in 7-14 days. Deadfast Weedkiller is a total herbicide and as such care should be taken that it does not come into contactwith wanted plants. After use ensure that garden sprayers or other vessels used for application are thoroughlycleaned, as traces of product left in equipment can damage or destroy plants sprayed later. 12 x 100ml Sachets will treat up to 720m² when using a sprayer Effects may be seen in a few days, but for tougher weeds it may take up to 4 weeks Deadfast Weedkiller Concentrate contains Glyphosate. Use Pesticides safely. Always read the label and product information before use.