With absolutely no chemical additives, Sunleaves Peruvian Seabird Guano (12-11-2) offers the highest quality in organic fertilization. Peruvian Seabird Guano is pelletized for water solubility with less mess. There is nothing like it for accelerating growth - growers can use Peruvian Seabird Guano indoors and out on houseplants, vegetables, ornamentals and fruit trees.