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Description
bonsai tree potting mix Calcined Clay Bonsai Soil AdditiveCalcined 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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- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.5 ★★★★★
Based on 1847 reviews
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Product Reviews
★★★★★ 5
Great trivia!
Format: Paperback
This is a great read! Especially for history buffs. Great to get yourself ready for trivia for scholastic bowl! Highly recommend!
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Reviewed in the United States on January 1, 2026
★★★★★ 4
BCE? No, it is BC!
Format: Paperback
I love history; there is a lot in this book I did not know. It is definitely a challenge and a great way to learn. I took off one star (considered taking off two) because the author uses the non-Christian term of BCE. I HATE seeing that instead of what it really is BC - before Christ! I wonder if he is an atheist.
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Reviewed in the United States on December 27, 2025
★★★★★ 5
Useful knowledge
Format: Paperback
Great gift for the guy that thinks he's a know-it-all.
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Reviewed in the United States on January 1, 2026
★★★★★ 5
Very informative
Format: Paperback
Bought this for my son, and he really loves this book. He reads it over frequently. I recommend it if you have a reader that also wants to learn facts about history.
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Reviewed in the United States on May 1, 2026
★★★★★ 5
Trivia approach to history. Great for history buffs and trivia buffs alike
Format: Paperback
Got this as a surprise for my trivia and history loving bf. He loved it because it doesn’t only tell you about history. It quizzes the reader then explains the answers. Neat concept for a book for a man with limited time to read and loves to learn new facts.
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Reviewed in the United States on January 3, 2026
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