Generally, a pre-start fertiliser should be applied to stimulate the root system of your new lawn and help it establish, along with organic underlay to help turf your sand into soil and a high-quality liquid wetting agent on your new topsoil prior to laying your new lawn. Recommended products can be purchased from Greenacres, and our Sales Team are always available to discuss your specific requirements and give tailored advice on 08 9525 8822.