An excellent source of nitrogen and trace elements, Sunleaves Mexican Bat Guano (10-2-1) stimulates vegetation by substantially enhancing leaf growth and overall plant vigor. Listed by the Organic Materials Review Institute (OMRI), Mexican Bat Guano is safe for use indoors and out and is non-toxic to people and pets. Mexican Bat Guano can be tilled into soil, used as a top dressing or applied directly in a water dilution. Pair it with our high-phosphorus Jamaican or Indonesian Bat Guano for spectacular growing results.