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Pomice is a volcanic substrate widely used in bonsai cultivation due to its lightness and highly porous structure. Its main advantage is its ability to quickly drain excess water, keeping some moisture available for the roots.
As well as improving drainage, Pomice contributes to a looser, well-oxygenated soil, allowing the roots to grow strongly and healthily. As it is a resistant and stable material, it does not degrade easily over time, preventing soil compaction for longer.
It can be used on its own in certain conditions or mixed with other substrates, such as Akadama and Kiryuzuna, to adjust moisture retention according to the plant's needs. It is especially recommended for species that require a more drained soil, such as conifers and Mediterranean trees, promoting balanced development.
If you're looking for a versatile, long-lasting substrate that guarantees a favourable environment for the roots, contributing to the vitality and longevity of your bonsai, Pomice is an excellent choice.