Vulkaponic Humic Acid Granules

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    Welcome to KLANZ PLANTCARE

Vulkaponic® Humic Acid Granules

Vulkaponic is a pure mineral mixture of pumice and high-quality zeolites. This makes the substrate light and particularly

The benefits of Vulkanonic Humic Acid Granules

  • Substrate for indoor greening
  • Ideal for single-layer interior greening in accordance with FLL guidelines
  • Reduced pH value of approx. 5.8 for plants that prefer an acidic environment
  • High water storage capacity of over 30% by volume
  • Weight approx. 730 kg per m³
  • Permanent structural stability due to high grain strength
  • Substrate is reusable
  • Zeolites store nutrients that are released to the plant as required
  • No change in the zeolites, not even in the long term
  • pH value regulation

Application of Vulkaponic Humic Acid Granules

Vulkaponic has an excellent water storage capacity and a high nutrient storage capacity. The substrate is therefore light and particularly suitable for indoor greening. Also suitable as a hydroponic substrate and for all water-storing systems. When repotting, please note: Remove any loose material from the plants, place them in Vulkaponic at the same height and water well.


Our substrates are always unfertilized; we recommend using our KLANZ Vulkapower Orange fertilizer once or twice a year.

Form of Delivery of Vulkaponic Humic Acid Granules

  • Loose
  • FIBC
  • 25 L bag
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