The Soil Doctor 40 lb Pelletized Gypsum is an excellent soil amendment for enhancing the health and structure of your lawn and garden. Made from naturally occurring gypsum, this product is rich in calcium and sulfur, which are essential nutrients for plants. Its pelletized form ensures easy application, allowing for even distribution with a rotary spreader while minimizing dust. This gypsum helps to break up heavy clay soils, improving drainage and root growth without altering the soil pH. It's also effective in repairing damage caused by salt and animal waste, making it a versatile solution for maintaining healthy soil. One 40 lb bag can treat up to 1,000 square feet, making it an economical choice for large areas.