Zoo Med ReptiSand Substrate - Desert WhiteZoo Med Desert White ReptiSand is a natural, beautiful terrarium bedding that meets the needs of a wide variety of desert dwelling reptiles, amphibians and arachnids. The brilliant white color of this pure, fine quartz sand is completely natural, with no additives. Pure, finely ground quartz desert sand Stimulates natural digging and burrowing behavior All natural sand with no added colors When in your pets habitat, ReptiSand simulates the native