Akadama Fines/Dust 3.5L Akadama (Japanese for "red ball earth") is a naturally occurring, volcanic clay mineral mined in Japan. It is world-renowned among bonsai masters and succulent collectors for its unique ability to hold moisture without becoming waterlogged. Key Uses and Applications: Can be used to make muck for bonsai stone slab plantings Can be used with sphagnum moss as keto tsuchi soil component for kokedama moss balls