Approved for organic gardening, the ORCHID Potting Mix is specially designed for orchids and other epiphytes such as bromeliads and anthuriums. This soil made of western bark and coconut husk chunks does not compact, allowing air and water to be absorbed by the plant's roots. CHARACTERISTICS Approved for organic gardening Professional formula with bark and coconut husk chunks Optimal drainage, aeration and water retention equilibrium USES Soil mix is specially designed for potting orchids and other epiphytes such as bromeliads and anthuriums. INGREDIENTS Western bark mini-nuggets, coconut husk chunks, limestone Diameter pot - Approximate Capacity 10 cm (4 in) - 0.5 litre 20 cm (8 in) - 3-4 litres 30 cm (12 in) - 9-10 litres 40 cm (16 in) - 22-25 litres 50 cm (20 in) - 55 litres