Roundup Lawn Ultra Concentrate 125ml Plus EF Control the weeds in your lawn without harming the grass. Roundup for Lawn Optima Concentrate is glyphosate-free* concentrate for established lawns, and will help control most of the common broad-leaved lawn weeds. Use a clean sprayer or watering can fitted with a fine rose. Mix well before use. Loosen measure cap slightly, gently squeeze bottle until required volume is achieved.Apply Roundup for Lawn Optima at rate of 50ml in 5 litres of water to cover 25m², covering vegetation evenly. Hold the sprayer approximately 50cm away from the target weed and spray to lightly wet the weeds – avoid run-off.Wash hands after use. Wash equipment thoroughly after use.