Add extra water capacity and aeration to your mushroom substrate

Vermiculite is used everywhere in mushroom cultivation.. Its main benefit is to store water and mushrooms love the stuff!


Available in 400ml or 2 Litre Bags

The 400ml volume works perfectly as a casing layer on MycoBag products
  • Fine Grade / 1.0 – 3.0 mm
  • Medium Grade / 2.0 – 5.0 mm
  • Mould resistant



If unsure which grade to go for, then opt for fine as it is a great all rounder and perfect for most purposes.

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