Roots Organics 715160 potting soil is a truly exceptional ready-to-use coco fiber-based potting soil. Roots Organics begins with the highest quality coco fiber/Coir which is repeatedly washed for low EC, and composted. This soil is amended with organic ingredients including bat guano, earthworm castings, fish bone meal, feather meal, green sand, mycorrihzae, glacial rock dust, soybean meal, humic acid, and more. Comes in a heavy-duty, ready-to-grow, 1.5 cubic feet bag. Simply poke holes in the bottom, cut off the top, and plant.