Wilko lawn feed weed and mosskiller 35kg is a complete all in one lawn treatment it nourishes grass kills most common broad leaved weeds and controls moss contains nitrogen for a greener healthier lawn and phosphorus for strong healthy root growth for best results apply using a spreader its quick and easya 35kg box treats up to 100 square metreswarningcontains iron sulphate calcium dihydrogen orthophosphate harmful if swallowed causes serious eye damage