- -10%
Pomice - Bonsai Substrate - 1.5 Lt
Limestone-free volcanic mineral material, fruit of the "explosive gaseous" part of the magma, with p.H. 7 - 8 and good drainage is ideal for in mixtures of Bonsai substrates.
It is used in % higher, in pre-Bonsai and plants in which large drainage is intended to increase watering (and as such greater possibility of growth adubation) and in Yamadori after collection to facilitate rooting and prevent fungi from excess moisture.
Its mineral nature makes it poor in nutrient retention so it should be associated with a % of organic matter (e.g. Coco Peat).
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