Black Lava - Imported from Japan

Dust Free Black Lava Rock. Perfect aggregate and substrate for Bonsai Soil Additive. Great for Succulents, Bonsai, and many other plants. 

• To be used as a soil improvement for bonsai
• Shown to enhance soil quality
• Improves water retention

As a soil additive, the lava rock leads to better water retention, increased microbial development, better utilization of nutrients, and increased plant growth. 

• Black volcanic sand
• Fuji lava rock - Imported directly from Japan
• 3mm - 12mm