12 Quart Ocean Forest Garden Potting Soil is a well-rounded mix of earthworm castings, bat guano, sea-going fish, crab meal, forest humus, and moss, providing all the necessary nutrients for your plants. With a pH level of 6.3 to 6.8, this potting soil allows for optimal fertilizer absorption, resulting in strong and healthy plants with sturdy branches. Perfect for potted plants.