E.B. Stone Organics Compost Maker is a blend of natural and organic ingredients designed to supplement the needs of the home composter. In addition to providing the nitrogen necessary for proper composting, Compost Maker also helps to enrich the finished compost by supplying additional nutrients. It is ideal for use when making compost with large amounts of dry, brown materials. N-P-K: 4-4-2 Contains: Blood Meal, Feather Meal, Bone Meal, Dried Chicken Manure, Bat Guano, Alfalfa Meal, Kelp Meal and Potassium Sulfate.