Vitax 12kg Green Up Lawn Sand TubVitax Lawn Sand helps control spring and summer moss. It can also be used as a tonic, giving lawns a rich green colour. Vitax Lawn Sand: Apply April to September when the soil is moist Contains ferrous sulphate Keep away from children and pets Similar to most lawn treatments, Vitax Lawn Sand should not be applied during drought or when rain is imminent. If using solely as a tonic, it can be applied throughout the growing season and watered in. To