Optimally dimensioned expanded clay for soilless cultivation, specially developed for the Bonsanto Hydrosystem. 

  • Ensures excellent ventilation 
  • Ensures perfect drainage 
  • Reusable several times 
  • Exactly suitable for the Bonsanto hydrosystem 
  • Recommended for use with Bonsanto concentrates (low salt content) 



A special, soilless substrate is required for the Bonsanto Hydrosystem. Our expanded clay, which has been specially developed for the Bonsanto Hydrosystem, is low in lime and offers the advantage of storing water for up to 24 hours while maintaining high air permeability. This is crucial for healthy root development. 

The expanded clay is offered in 2-liter units, which is exactly enough for two runs in the Bonsanto Hydrosystem or for two separate Bonsanto Hydrosystems. Each substrate container of the Bonsanto Hydrosystem holds 1 liter. 

Scope of delivery: 

  • 2 liters of low-lime expanded clay as a soilless substrate 
  • Suitable for two cultivation cycles in the Bonsanto hydro system 
Additional information
Weight 0,7 kg

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