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Ibaraki Hard Akadama, Small, 3-5mm

64 reviews
6 items left


  1. Consistent particle size = 3 ~ 5mm
  2. High quality Ibaraki brand akadama
  3. Hard type (retains shape longest)
  4. Exclusively imported from Japan by Bonsai Tree.
  5. Available in 2L bag, 5L bag and 14L bags.


Akadama is a granular volcanic clay-like (although it is not clay) mineral which occurs naturally in Japan. It has been extensively used in Japan for many years as a growing medium for bonsai trees and other container-grown plants. It has many unique qualities, one of which is that when it is wet it has a darker colour so indicates when watering is needed. Akadama is unique as a growing medium and is sought after due to its ability for water retention and nutrients due to its high CEC value. However at the same time it provides porosity and free drainage.


Aquascaping and Shrimp

  1. Assists in maintaining tank equilibrium and stability.
  2. Safely buffers pH and keeps it stable for up to 3 years.
  3. No initial ammonia spike.
  4. A natural product which does not leach anything into the water.
  5. Usually FINE or SMALL particle size is used for this application.


  1. Produces a proliferation of feeder roots system which are able to support highly ramified trees.
  2. Has good CEC value, providing steady release of nutrients to the plant. 
  3. Great for rooting all forms of cuttings.
  4. Often combined with equivalent size pumice to add to structure and drainage.
  5. Usually FINE akadama only used for small trees. SMALL akadama for medium and large trees with MEDIUM akadama for drainage layer.


  1. Promotes exceptional, healthy growth and leaf colour saturation.
  2. Great for rooting a variety of succulent species.
  3. Usually FINE or SMALL particle size mixed with equivalent size pumice is used.
See other sizes of akadama available from us
Customer Reviews
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Filter Reviews:
    Bonsai Tree Ibaraki Hard Akadama, Small, 3-5mm Review

    Must have

    Akadama is a definate must have as a component for your bonsai soil. Very good when added with Hyuga.

    Pierre L.
    South Africa South Africa
    Bonsai Tree Ibaraki Hard Akadama, Small, 3-5mm Review

    As n first time user,it will be the the change for all my trees Awsome service

    johan c.
    South Africa South Africa
    Bonsai Tree Ibaraki Hard Akadama, Small, 3-5mm Review
    I recommend this product

    Customer satisfaction

    Excellent service Excellent product Excellent communication Well Done

    Devan G.
    South Africa South Africa
    Bonsai Tree Ibaraki Hard Akadama, Small, 3-5mm Review


    My trees are loving it! First time repotting myself using 100% soilless mix - Akadama / Lava rock / Pumice / Coal. Just brought them into partial sun after 3 weeks of the repotting process. I can already see the foliage is greener and new growth is brighter.

    WAYNE L.
    South Africa South Africa
    Bonsai Tree Ibaraki Hard Akadama, Small, 3-5mm Review


    Terry, thank you for this great product. I am still experimenting with it on some different of types of succulents. But sofar I got very good results. I will suggest your product (and any other products) to other succulent growers as well. Thank you. Francois

    Francois C.
    South Africa South Africa

    Bonsai Tree

    Thanks so much Francois! A good product will always sell itself, with a little help from enthusiasts such as yourself. Thank you for the support.