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Vulkalit T (Z)

Product specification   Applications
Das Bild
  • Pure mineral substrate, demixing-resistant
  • The main components are light lava stone, pumice and zeolite.
  • The mixture has an open-pore structure and a high total pore volume.
    It has a good nutrient buffering capacity and promotes germination and growth
  • Long term high water permeability

Product uses  Das Bild

  • Planting in drainage basins
  • Rainwater purification
  • Plant-based water clarification systems
  • Vegetation filters in pools and ponds

Vegetation-related properties 
Das Bild
Particle size distribution
Water-extractable substances

ca. 3,5 masses %


Fine/moderate granule ca. 81 masses %    
Volumetric weight
With maximum moisture content

1,34 to/m3

Water/air balance
Maximum water retention capacity
Water permeability (mod. K*)

25,70 vol.%
ca 0,015 cm/s
pH 7,4  
Content of salts  ca. 0,30 g/l  


Natural product (mixture of igneous minerals); contains plagioclase, leucite, nepheline, clinopyroxenes, olivine, magnetite, biotite and apatite.
Chemical composition Content*   Chemical composition Content*
Silicic acid (SiO2) 58,90%   Magnesium (MgO) 9,10%
Iron (Fe2O3) 5,80%   Potash (K2O) 3,70%
Aluminium (Al2O3) 12,20%   Phosporus (P2O5) 0,50%
Lime (CaO) 7,30%   Titanium (TiO2) 1,50%
Sodium (Na2O) 2,10%   Manganese (MnO)  0,30%
* = approximate

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