This info describes the Fox Farm product you mentioned.
Ocean Forest Potting Soil starts seedlings naturally so they can become strong, vigorous plants.
Plant directly into FoxFarm Ocean Forest Potting Soil for exceptional results, it's ready-to-use. No additional ingredients are required. Use as a potting soil for indoor or outdoor potted plants.
Super start for seeds and seedlings. Light texture for excellent aeration and drainage properties. No additional fertilizers needed for as long as 30 days.