SfS Lawn Tonic if for foliar application. Is particularly recommended to improve grass hardiness and vigour and green up grass. Thus out competeing moss and reducing level. can be applied from march until end of september, though could be used in a mild autumn , winter. Rate for 10 square metres apply 300mls of SfS Lawn tonic with either 9L of water through a watering can or 1.5L water with a sprayer.