With absolutely no chemical additives, Sunleaves Peruvian Seabird Guano (10-10-2) offers the highest quality in organic fertilization and is even listed by the Organic Materials Review Institute (OMRI). Peruvian Seabird Guano is pelletized for water solubility with less mess. There is nothing like it for accelerating growth - use Peruvian Seabird Guano indoors and out on houseplants, vegetables, ornamentals and fruit trees.