A concentrated, glyphosate weed killer - designed to bring you results. Uses systematic herbicide technology to attack the weeds from the inside and kill the underlying roots. Weedblast Rootkill concentrated weed killer contains 72g/l glyphosate, for effective control of annual and deep-rooted perennial garden weeds. Powerful weed killer made for the control of most weeds including dandelion, grasses, docks, nettles, willowherb, bindweed, woody brambles, tree stumps, ivy and more. To be used on unwanted vegetation and areas not intended to bear vegetation. See the first signs of control as early as a few days, up to 2-4 weeks after application. Comes with 5L Pressure Sprayer for a safer and easier application process. An integral measuring device is inbuilt in the weedkiller bottle - remove the cap and carefully squeeze the container to fill the measurement chamber. Up to 66m2 coverage per 100ml sachet.