Ocean Forest is the ultimate potting soil—everything your plants need, in one bag. Ocean Forest® is an awesome blend of premium earthworm castings, bat guano, and Pacific Northwest sea-going fish and crab meal. Composted forest humus, sandy loam, and sphagnum peat moss give Ocean Forest® its light, aerated texture. Start with Ocean Forest® and watch your plants come alive! Ocean Forest is Dayton Hydroponics #1 selling potting soil for over 9 years.