Cherry Stone Poultry Grit (Type 1, 50 Pound) - Natural Digestion Aid for Poultry Cherry Stone Poultry Grit is a clean, hard, angular grit to aid in digestion for poultry. Made of 100% crushed quartzite, this grit is even harder and sharper than granite which enables the gizzard to work faster and more efficiently. Cherry Stone grit won?t dissolve in the gizzard, upset the mineral balance of feed, or neutralize digestive juices so it does a more thorough job of digestion. Due to its unique rose color, Cherry Stone Grit is often used for hobby crafts, aquariums, flower pot drainage, grill liners, paver joint fill, aeration, and other decorative purposes. Features For poultry of all sizes and ages Aids in digestion Ready to use! Non-polluting, non-staining Won't dissolve or become muddy USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.