Treat your plants with the care they deserve by applying Black Gold 1490302 8 QT P 8-Qt Organic Earthworm Castings to your garden or potting soil. It is a natural and organic soil conditioner. The Black Gold earthworm castings mixture is excellent for use as a top dressing or as an amendment.Part Number: (1490302 8 QT P) Earthwrm Casting 8Qt from (Black Gold). Earthworms castings blend. Excellent for use as a top dressing or as an amendment in soil. 8 quart. Technical Details: Length: 13.75 in -Height: 5 in -Depth: 16 in -Weight: 10 lb