Roots Organics Super Phos Bat Guano 1 - 14 - 0Roots Organics Super Phos Bat Guano is incredibly high in phosphorus and calcium and is extracted from select caves when the quality is at its highest. Potent and powerful high phosphorus guano consciously extracted to not disturb the bat colonies and to provide an unparalleled completely natural source of phosphorus and calcium. Roots Organics Super Phos Bat Guano is fast acting and so powerful it should be used carefully and sparingly. All of the