Weedol Gun Ultra Tough Ready To Use weedkiller kills tough weeds right down to the roots so they don't come back. Kills brambles, nettles, thistles, docks and other deep-rooted weeds. It's also perfect for clearing untidy or overgrown areas. Tough garden weeds can be difficult to control. Weedol Gun Ultra Tough is a tried and tested combination of glyphosate and pyraflufen-ethyl which ensures great weed kill for even difficult, perennial weeds right down to the roots. The fast acting formula shows visible results within 24 hours and is the powerful answer to effortless weed control. Very easy to use the treated area can be replanted 7 days after spraying, this is to allow the weedkiller to move to the roots before cultivation.