Weedol® PS Pathclear Weedkiller kills weeds and prevents new ones. It creates an invisible barrier that prevents new weeds for up to 3 months and is ideal for paths, drives, and patios. Weedol® Pathclear PS Weedkiller degrades naturally in soil leaving no residue. Use on gravel, paths, drives, patios, along fences and walls and around established trees and shrubs. How to use Instructions for 1 litre spray gun, for larger sizes see instructions on back of pack. Shake well, before use. Mark out area to be treated in metre squares. Maximum dose of 30ml per 1m². Press down firmly on top of trigger head immediately behind yellow nozzle to depress safety tab. At the same time, twist nozzle to spray position (¼ turn either way). Hold 50cm away from the target. Lightly spray the weeds and surface in the area to be treated. Ensure weeds and soil are evenly wetted. Approximately 31 trigger pulls treat 1 square metre. Turn the nozzle to STOP position after use. Visible effects in 14 days. Weed death may take up to 28 days (in cold weather activity is slower). To achieve maximum persistence of weed control, do not disturb or cultivate treated soil. Where to use Ideal for gravel paths, drives, patios, along fences and walls and around established trees and shrubs. How often to apply Maximum of one treatment per year. Cautions Contains glyphosate and diflufenican. Use weed killer products safely. Always read the label and product information before use.