Tri-C TRI-C HUM Humate OMRI & OIM (California) Certified Organic 50 lbs. Humate is a highly compressed, natural organic humus, high in humic acid, carbon and trace minerals necessary for the development of plant life. It enhances root development and increases water retention. Used extensively in agriculture, and is often used in challenging situations, such as soils with high salt. Great product for just about any landscape or gardening project. Keeping your garden healthy & beautiful!