Resolva path andpatio weedkiller 3 litre is designed for killing weeds and their roots that attack paths patios and driveways it targets both annual and deep rooted perennial weeds including grasses docks nettles dandelion and many more enhanced weed killing performance with unique non drip trigger with visible results in just 24 hourswarningalways read the label and keep away from children harmful to aquatic organisms may cause long term adverse effects in the aquatic environment m