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Karuishi - coarse

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Price from 3,30 €

incl. VAT
+ shipping from 17,95 €
delivery 3–7 working days · fee on orders under 35 €› Your rights: legal guarantee› Safety: Seeds, fertiliser and growing media are not intended for consumption – by people or animals. Some species are toxic, so keep them out of reach of children and animals.
  • Type: Japanese pumice (karuishi)
  • Origin: Japan
  • Grain size: coarse
  • Properties: very light, porous, fully stable
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How to use karuishi

Karuishi is usually mixed with akadama – e.g. 1/3 karuishi for deciduous trees and up to half for conifers and species that should be kept drier. The coarse grade is also used as a drainage layer at the bottom of large pots.

Good to know about pumice

  • Pumice is the lightest type of stone and often floats on water – which makes large pots easier to move.
  • The grains hold water in their pores but drain away excess water.
  • It does not break down, so the mix keeps its structure even when the akadama starts to crumble.

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