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Description
potting mix for bonsai trees Calcined Clay Soil Additive for Bonsai Tree Potting and Other Plants, Regulates Moisture – Kurated KornerCalcined clay is primarily used for growing bonsai. Calcined clay are stable soil additives that improve soil quality through increased cation exchange capacity, increased microbi@l activity, nutrient retention, and water holding capacity all of which increase plant yield. Calcined clay is similar to vitrified clay which can be used for the same functions. Calcined clay provides an excellent alternative to akadama, which is expensive as it is imported
Calcined clay is primarily used for growing bonsai. Calcined clay are stable soil additives that improve soil quality through increased cation exchange capacity, increased microbi@l activity, nutrient retention, and water holding capacity all of which increase plant yield. Calcined clay is similar to vitrified clay which can be used for the same functions. Calcined clay provides an excellent alternative to akadama, which is expensive as it is imported from Japan.Tips/Guidelines:
Basic bonsai mix: 50% calcined clay, 25% lava rock and 25% organic compost
Tropical bonsai mix: 40% calcined clay, 25% lava rock and 35% organic compost
Deciduous bonsai mix: 50% calcined clay, 30% lava rock and 20% organic compost
Conifer bonsai mix: 60% calcined clay, 30% lava rock and 10% organic compost
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.7 ★★★★★
Based on 24 reviews
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Product Reviews
★★★★★ 1
Terrible pillows
Size: Queen - Pack of 2, Style: Medium, Configuration: Pillow
These pillows might be fine if you need them for a decorative sham, but definitely NOT to sleep on. They are super lumpy and soft, days after taking them out of package. It seems like there are just bunches of cotton strips in a row that are hard to fluff. They are also dark in some areas, so it looks like the pillow is stained, when in fact it's whatever material the stuffing is. I can't return them because they won't fit back in the box. Super disappointing.
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Reviewed in the United States on March 8, 2026
★★★★★ 5
Comfortable from the first night
Size: Queen - Pack of 2, Style: Medium, Configuration: Pillow
I found them comfortable and with good support for the head and neck. They are wide in size and feel soft when lying down. After several days of use they continue to retain their shape without problem.
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Reviewed in the United States on June 6, 2026
★★★★★ 4
Not as Firm as I had hoped
Size: Queen - Pack of 2, Style: Medium, Configuration: Pillow
A good pillow.
However, there is quite a difference between the manufacturer's and my idea of "medium firmness". I found this pillow much softer than I had anticipated.
I'll have to go for firmer for my next purchase.
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Reviewed in the United States on July 28, 2025
★★★★★ 5
I admit when I was wrong.
Size: Queen - Pack of 2, Style: Medium, Configuration: Pillow
3/29/26 - I took the pillows and put them in my dryer on steam refresh for the default 10 minute cycle.
OMG - they fluffed up and evened out to be soft and comfortable, no lumps whatsoever. If you like a soft pillow with some support, but not firm support, THIS is what you want. I am truly amazed.
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Previous review---They arrived in a vacuum seal bag. When you cut the bag and they inflate, they inflate lumpy like. Some areas are thick and some have to fill so, not very good. I am going to try washing them and drying them to see if they fluff up better.
Will post the results in a day or two.
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Reviewed in the United States on March 24, 2026
★★★★★ 3
Immediate neck and back pain
Size: Queen - Pack of 2, Style: Medium, Configuration: Pillow
Nice full pillows that holds its shape, BUT was NOT good head and neck support. I noticed an immediate difference. From non existent to growing neck pain in the first night’s use, through the week.
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Reviewed in the United States on May 30, 2026