Purelife Premium Potting Mix is composed of the perfect balance of nutrients which can be used on indoor and/or outdoor plants and growing. Purelife includes their organic worm castings, composted organic plant-based material, sphagnum peat moss and perlite to create a beneficial environment for your plants to promote plant growth. The mix is composed of organic ingredients and only requires you to add the necessary amount of water. The volume of soil needed is dependent on the size of your pots/planters.