Other Substrates

In this section we offer several products to improve the texture of the growing medium.

Thus, they're also used to improve drainage, aeration, water retention, etc.

Perlite Plagron

Alchimiaweb presents Plagron perlite, a substrate that improves aeration and water retention in growing media such as soil or coconut fibre, and is also occasionally used as a hydroponic substrate. Perlite comes from volcanic rocks baked at over 100 [...]

  • 10 l5.80€


Expanded perlite is a mineral product that has been subjected to an expansion process at 1200 °C. It is an inert, stable, neutral (pH 6.5 to 7), sterile, lightweight insulator. Its agronomic qualities include: high capacity to absorbe and retain [...]

  • 1L (Out of stock)2.50€
  • 3L3.75€


Container of vermiculite, ie that has been artificially expanded mica using heat. Used mixed with soil, it provides extra oxygen andretains moisture if used in a ratio of 1/5. In addition, it can be used as an inert substrate for hydroponic cultivat [...]

  • 3L2.90€

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