A 60/40 mixture of course sand and biosolid soil mix makes up the turf loam soil topsoil blend. This combination is perfect for top-dressing lawns that already exist. Additionally, this kind of soil is utilized to fill in gaps and dips in lawns. In order to prepare and level the ground for the installation of sod, turf loam soil topsoil mix is also utilized. https://texasgardenmaterials.com/product/turf-mix-soil-blend/