Black Lava Rock, Soil Aggregates Planting Media By Bonsai Supply

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 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 Free Shipping in the USA for orders over $35 on all products by Bonsai Supply only. International Shipping varies per country.