About this item High-Quality Filtration: U.S. Silica Mystic White II Pool Filter Sand provides superior filtration for above ground and inground pools; This bag contains 50 pounds of high-purity white silica sand Convenient Packaging: Also available in packs and bags, making it easy to store and handle; Ideal for use with sand pool filter pumps, ensuring thorough cleaning of pool water Effective and Reliable: Consistent-sized pool filtration solution captures and removes dirt, dust, leaves, insects, moss, oil, cosmetics, gum, and other debris, ensuring your pool water remains clean Easy Application: Quality angular-shaped sand maximizes solid entrapment and ensures uniform flow to prevent clogging; Compatible with any standard pool filter system The U.S. Silica Expertise: For over 100 years, U.S. Silica has led the industrial silica and minerals industry with resilient, reliable, and innovative solutions.