Resolva Pro Xtra Tough Liquid Sachet is a systemic total weedkiller containing glyphosate. It kills perennial broad leaved weeds such as Bindweed, Brambles, Buttercup, Common Nettle, Creeping Thistle, Dandelion and Field Bindweed. The pre-dosed sachets can be easily mixed in a garden sprayer.Controls annual and deep rooted weedsSystemic action kills the rootsIdeal for clearing large areasNo mess, no measuring pre-dosed concentrate sachetsKills tough weeds including Nettle, Thistle, Ivy, and Bramble.Coverage:Each sachet covers up to 66m²How to Use:For tough weeds apply from March to October when weeds are actively growing and have a large leaf area allowing plenty of weed killer to be absorbed. Effects may be seen within a few days but full control can take up to 4 weeksIf it rains within 6 hours of application, then effectiveness may be reduced and re-treatment is recommended. Very persistent weeds may require repeated treatments once new growth appears.How to UseFor annual and perenni