Akadama - Japanese Hard Bonsai Akadama
Akadama (red ball) is a volcanic byproduct mined exclusively in Japan. It is in some ways similar to clay, but with a unique microscopic structure that makes it ideal for bonsai use. Akadama is excellent as a component in bonsai soil as it retains nutrients. It also allows roots to grow through it and breaks down over time. Akadama is a key component in nearly all quality bonsai soils.
The shipping process will break down some of the Akadama so it will need to be sifted prior to use. The fines in Akadama restrict aeration within bonsai soil so need to be removed prior to repotting. The fines can be saved and mixed with sphagnum moss and sphagnum peat moss to create muck which is commonly used in forest plantings.
We supply a variety of brands including Kobayashi, Kotobuki, Double Line, Soukaka (Double Crane), Kato Sangyo and Ibaraki. In my opinion they all seem to be of equal quality. We generally don't have them all in stock, but due to limited supply from Japan we usually take what we can get.
Akadama Grain Sizes Available:
2mm or 2.5mm - Extra Small Size - @ 1/32" - 1/8" - For Very Small Trees (Shohin, Mame)
5mm - Small - Standard Bonsai Use @ 1/16" - 1/4" - The Most Common Size
7mm - Medium - Most pieces @ 1/4" and 1/2" - Many Use It For Larger Trees and Some Pines. I use it as part of my drainage layer and for some pines.
Akadama Bag Sizes Available:
13 Liters - A full Japanese bag of Kobayashi About 3.44 Gallons
14 Liters - A full Japanese Bag of Double Line, Kotabuki, or Ibaraki - About 3.7 Gallons
All of these brands are very similar in terms of hardness when completely dry. We strive to import the hardest Akadama available to the United States.
This is a hard quality Akadama imported from Japan.
- Akadama is a semi-hard substance that can be crushed in your hand. It is softer when wet and harder when dry. When dry it is nearly as hard as rock.
- Perfect for adding to your own bonsai mix
- This product will need to be sifted prior to use to remove any fines that accumulate from the shipping process. Normally fines 1/32" or smaller are less than 5% in the 5mm bags. Fines can be used to make muck. Wear a mask for safety.
- Prior to shipping from japan this product was sieved to be the appropriate size.
Not much to write given that these will not be used until spring replanting, but very happy to obtain akadama and very much like the Japanese pumice.
Akadama, med size is useful for many sizes of trees. Very versatile.
I ordered Akadama and was pleased that it arrived quickly and in good condition.
Whenever I’ve tried to get some Akadama, when the store has offered a 15% discount through their email marketing, they’ve always been “sold out” (even replying right away). Such was the case with their last email so I responded and explained how they were always sold out when I try to purchase. Then I got another email saying they had some in stock but it was the day after the 15% discount ended. Convenient? I ordered the Akadama but was not given the discount even though it wasn’t my fault they were “sold out” during their offer. I did send them an email asking if they could credit my credit card account for the 15% discount but they never responded. 🤷🏼♀️
Akadama - Japanese Hard Bonsai Akadama
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1670 S. Cameron Street
Harrisburg, PA 17104
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1670 S. Cameron Street
Harrisburg, PA 17104
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Shipping to P.O. Boxes
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Refunds, Returns, and Exchanges
We accept returns that are postmarked within thirty (30) days of the purchase date. With the exception of returns for broken/damaged items, all returned items must be in new and unused condition, with all original tags and labels attached.
In the event that your order arrives damaged in any way, please email us as soon as possible at firstname.lastname@example.org with your order number and a photo of the item’s condition. We address these on a case-by-case basis but will try our best to work towards a satisfactory solution.
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If you are a placing a larger order (over 30 bags of soil or many pots), it may be cheaper to ship via freight truck. If you are interested in pricing for this, please contact us here.
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We started the Superfly Express shortly after the Covid-19 pandemic started. We did this as a way to get products to wholesale customers with no shipping fee. We basically will deliver your order on one of our trips to your area for free if the order is over $1000 and you are close to our route. We will also deliver retail customers orders over $1000 if they don't want to utilizer our free shipping for whatever reason. We currently only travel east of the Mississippi river and have 4 routes.
1. New York/New England Area
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4. Maryland/Eastern Virginia & NC/SC/Georgia/Florida