Black Lava Rock plays a vital role in any bonsai soil mix. Its porous structure promotes airflow, delivering essential oxygen to your tree’s roots, this is critical for maintaining a healthy root system. The same porosity aids in efficient drainage, helping to prevent root rot, especially during prolonged rainy periods.

• 1/4-3/8 inch particle size
• Available as 2 quart bag and 20 quart bag
• Double sifted to remove small particles
• 100% Natural From the Earth with no Chemicals, Fertilizers, or Pesticides

• Safe for use as a natural aquarium substrate

   

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