Filter media sand, also known as filter sand, is a type of naturally occurring sand that is used as a filtration medium in a variety of applications. It is typically made from silica sand, which is processed to remove impurities and sized to ensure uniformity.Filter media sand is valued for its ability to remove suspended solids, bacteria, and other impurities from water, wastewater, and other liquids. It is commonly used in water treatment plants, swimming pools, aquariums, and other applications where the quality and clarity of the water is important.