Living soil offers a more nutrient rich option compared to your average potting soil. Includes additional worm castings, Sphagnum peat, Feather Meal, Bone Meal, Alfalfa Meal, Kelp Meal, Perlite, Vermiculite, Dolomite, Zeolite, Black Soldier Fly Frass, Insect Frass, Glacial Rock Dust and Mined Potassium Sulphate.