Guano-Gro

As Featured on MODERN MARVELS The History Channel. Guano-Gro is 100% Organic Bat Guano Fertilizer mined from the Frio Bat Cave in Texas. The Guano has never seen sunlight, therefore the billions of bacteria are alive and ready to go to work. Chemical and Toxic Free Bat Guano Direct from Our Cave to your Garden. You won't believe the results. Seed Germination in Hours instead of Days. Grass growth measured in inches per day.