Akadama Tsuti 1–3mm
Premium ultra-fine Japanese Akadama in the 1-3mm grade. Maximum surface area and moisture retention in a small grain, ideal for shohin bonsai, seed raising and fine substrate blends.
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Akadama Tsuti is a premium ultra-fine Japanese volcanic soil in the 1-3mm grade. Sourced from the renowned red jade soil deposits of Japan, this fine-particle Akadama is ideal for applications requiring maximum surface area and moisture retention in a small grain size.
Best suited for:
- Shohin and mame bonsai
- Seed-raising and propagation mixes
- Fine substrate blends for delicate root systems
- Cacti, succulents, and alpine plants
- Top dressing for bonsai pots
Key properties:
- Ultra-fine 1-3mm particle size for maximum contact with fine roots
- Excellent water absorption and retention
- Good drainage despite fine particle size
- Slightly acidic pH (~6.9)
- Rich in silica, calcium, magnesium, and other essential minerals
How to use:
Use pure for shohin bonsai and seed raising, or mix with other substrates like pumice and Kiryuzuna for custom blends. The fine particle size makes it especially effective as a top layer in bonsai pots or mixed at 30-35% with other media for general potted plants.
Looking for the full Akadama range? Shop Akadama Double Line for both 1–3mm and 3–6mm grades in 1L to 13L sizes.