Akadama 1-3mm (Hard)

$19.90$104.90 Inc GST

Akadama 1-3mm (Hard) is a premium soil medium for bonsai, cacti, and succulents sourced from Ibaraki, Japan.

  • High-permeability volcanic soil with optimal water absorption and drainage.
  • Perfect for a wide range of use cases, from bonsai trees to cacti and succulents.
  • Offers additional benefits as a component in mixed soil substrates.
  • Slightly acidic pH and nutrient-rich composition, including SiO2, CaO, MgO, and more.
  • Sourced directly from the second hard red jade soil of Ibaraki, Japan.
  • Sizes are measured in volume (litres).
  • Prices include Free Postage Australia Wide.


  • 30 days easy returns
  • Fast dispatch and shipping
  • Tracking number provided when dispatched
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Experience the finest quality soil medium from Ibaraki, Japan, with the Akadama (Hard). This superior product is produced from the second hard red jade soil, a natural resource rich in volcanic ash. Its auburn round particles look great and offer incredible functional benefits.

With a high-permeability structure, Akadama ensures optimal water absorption and efficient drainage, making it ideal for various potted plants, from bonsai trees to cacti and succulents. It’s also versatile enough to be incorporated into mixed soil substrates, enhancing their quality and performance.

One of Akadama’s unique attributes lies in its slightly acidic pH and rich nutrient composition, providing essential minerals like SiO2, CaO, and MgO that contribute to healthier plant growth.


SiO2 (silica): 42.7%

CaO (calcium oxide): 0.98%

MgO (magnesium oxide): 2.5% 

MnO (manganese oxide): 0.15%

Fe2O3 (iron oxide): 8.4% 

Al2O3 (alumina): 25.1% 

PH value: 6.9 

EC value: 0.052ms/cm

For orders other than 14L, your Akadama will be packed in a resealable bag for your convenience.

Sizes are measured in volume (litres).


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