This substrate is suitable for indoor plants in self-watering containers, including hydroponic cultivation. It is made from pumice, expanded clay minerals, and zeolite. The pH value is determined by the raw materials used and is not adjusted. This is a mineral substrate.

Specifications:

• combustible matter max. 13.0%
• pH value (water extract) 5.5–7.5
• pH value (CaCl₂ extract) 5.0–7.5
• particles larger than 20 mm max. 5.0%
• electrical conductivity max. 0.5 mS/cm⁻¹

Package size: 12 l