Doff Complete Lawn Feed, Weed and Moss Killer is a granular formulation containing 21.73% w/w Iron Sulphate, 0.057% w/w Dicamba and 0.286% w/w 2,4-D and Mecoprop-P for the control of broad leaved weed species and moss on lawns. Covers up to 30m². Results in thicker, greener lawn.