Lava / Calcined Clay / Kiryu

One of our favorite and most used components for soil mixes. Lava rock or scoria adds spacing to the soil while the pores of the rock allow for moisture and fertilizer to store within it. Lava rock is also attractive enough to be used for show trees.

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  • Akadama Lava Pumice Soil Mix

    Akadama Lava Pumice Soil Mix

    124930-01
    $14.95
    Bonsai Soil Mix is Ready to Use! Provides proper plant support, moisture and drainage. Our multipurpose bonsai soil mix combines our most popular bonsai soil mix components. Useful for all types of bonsai trees. A lighter blend than our regular Akadama...
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  • Kiryuzuna Small Grain

    Kiryuzuna Small Grain

    130510-01
    $17.95
    Our various sizes of Kiryuzuna is perfect for those looking to use in different size pots or with a mix of other materials. Kiryuzuna bonsai soil is composed of volcanic sand and can be used in place of lava in your soil mix. Harder than akadama, kiryu...
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  • Kiryuzuna Small Grain Kiryuzuna Small Grain 16L Bag (Japan)

    Kiryuzuna Small Grain 16L Bag (Japan)

    130490-01
    $69.00
    Kiryuzuna bonsai soil is composed of volcanic sand and can be used in place of lava in your soil mix. Harder than akadama, kiryu soil will not break down over time. It has a slightly acidic pH that makes it suitable for Japanese Maples and Azaleas, and...
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  • Small Bonsai Grade Lava Rock (Black) Lava Rock (Black) Small Grain

    Lava Rock (Black) Small Grain

    113540-01
    $12.95
    This Small Lava rock is commonly used in bonsai soil mix to prevent compaction. The smaller lava rock is a traditional ingredient added to Bonsai soil mixes. Lava rock will not break down over time. It is non toxic and completely reusable which makes it...
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  • Turface Calcined Clay

    Turface Calcined Clay

    111000-01
    $9.95
    Calcined Clay is an essential bonsai material for bonsai soil mixes. Calcined or thermal treated clay helps to give bonsai soil mix proper aeration for oxygen by allowing proper spacing for roots to grow. Calcined Clay also has an added feature in that...
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  • Turface Calcined Clay

    Turface Calcined Clay - 5 Quart

    117740-01
    $12.95
    Calcined Clay is an essential bonsai material for bonsai soil mixes. Calcined or thermal treated clay helps to give bonsai soil mix proper aeration for oxygen by allowing proper spacing for roots to grow. Calcined Clay also has a added feature in that it...
  • Small Turface Calcined Clay

    Turface Calcined Clay Small Grain - 5 Quart

    117730-01
    $12.95
    Calcined Clay is an essential bonsai material for bonsai soil mixes. Calcined or thermal treated clay helps to give bonsai soil mix proper aeration for oxygen by allowing proper spacing for roots to grow. Calcined Clay also has a added feature in that it...