Expanded Shale
From BonsaiWIKI
Expanded shale is a type of sedimentary rock that has been fired in a kiln at high temperature to create an expanded, porous product that is used as a bonsai soil component
| Bonsai Soil Components |
| Inorganics: Shale | Sand | Haydite | Turface | Ceramis | Oil-Dri | Decomposed Granite | Kitty litter |
| Volcanic: Pumice | Perlite | Vermiculite | Lava |
| Japanese Soils: Kanuma | Akadama | Hyuga |
| Organics: Fir bark | Redwood bark | Peat Moss | Coir | Muck | Charcoal | Compost | Field soil | Potting soil |
