Fox Farms Ocean Forest. 12 Quart Bag. The ultimate potting soil - everything your plants need, in one bag. A powerhouse blend of premium earthworm castings, bat guano, & sea-going fish & crab meal. Aged forest products, sandy loam, and sphagnum peat moss give Ocean Forest its light, aerated texture. Be cautious if additional fertilizer is used as product contains bat guano, earthworm castings, & fish/crab meal which also works as an organic fertilizer. Can be very "hot" so use only as a soil amendment.