Will destroy moss in just 24 hours. Being 100% natural it is completely safe to use on lawns used by children and pets. Lawn tonic can be applied by sprayer or watering can with a fine rose fitted. 9 parts water needs to be added to the concentrate to make up to 20 litres of ready to apply the product. Can be used February to November when there is no risk of frost. Can be applied straight after mowing. Reseeding can be done once dead moss has been removed.