At a glance
Expanded Clay 8–16 mm
Mineral growing medium · 8–16 mm
- Material
- Expanded clay
- Contents
- 5 or 10 litres
- Particle size
- 8–16 mm
- Application
- Hydroponic and container systems
For suitable soil-independent growing systems.
Using expanded clay
Expanded clay with an 8–16 mm particle size provides mineral root space for suitable container and hydroponic systems. Wet thoroughly before use and match water level and nutrient supply to the system.
- Choose the growing system
Select a suitable soil-independent container or hydroponic system.
- Wet the granules
Wet the expanded clay thoroughly before use.
- Monitor the culture
Monitor water level and root development regularly. Plan nutrient supply for the plant and growing system.
Product information
ApplicationWet before use
Expanded clay with an 8–16 mm particle size provides mineral root space for suitable container and hydroponic systems. Wet thoroughly before use and match water level and nutrient supply to the system.
Use only in soil-independent growing systems.
PropertiesProduct characteristics and guidance
100% clay (expanded clay).
Declared growing-medium valuesThis product’s declaration
- The product contains little organic matter.
- pH: 7.1.
- Contains nickel (Ni): 80 mg/kg.
- Contains boron and copper in horticulturally relevant amounts.
Root space & plant care
Expanded Clay 8–16 mm in use
Match the project

Match the growing system
Monitor water level and root development regularly. Plan nutrient supply for the plant and growing system.
Details & background
Expanded clay with an 8–16 mm particle size provides mineral root space for suitable container and hydroponic systems. Wet thoroughly before use and match water level and nutrient supply to the system.
Composition & nutrition

Mineral root space
Expanded clay with an 8–16 mm particle size provides mineral root space for suitable container and hydroponic systems. Wet thoroughly before use and match water level and nutrient supply to the system.
Details & background
Find the complete composition and declaration in the product information.
Application in eight steps

Explore the particle size
The original image shows the porous granules. Wet the material thoroughly before planting.
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Choose the growing system
Select a suitable soil-independent container or hydroponic system.
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Determine the amount
Account for the free root space and selected system.
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Prepare the container
Prepare the container and any water-level indicator for the system.
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Wet the granules
Wet the expanded clay thoroughly before use.
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Prepare the plant
Use a plant suitable for the selected system and handle its roots gently.
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Fill loosely
Fill around the roots and stabilise the plant without crushing roots.
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Set up watering
Set water level or watering according to the system and plant.
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Monitor the culture
Monitor water level and root development regularly. Plan nutrient supply for the plant and growing system.
Monitor the culture
Monitor water level and root development regularly. Plan nutrient supply for the plant and growing system.
Frequently asked questions
Does it contain fertiliser?
The mineral material does not replace balanced nutrient supply. The complete declared contents are listed in the product information.
How much do I need?
The amount depends on container, plant and growing method.
Safety and storage
Safety instructions
Wash your face and hands thoroughly. Use diluted fertiliser promptly and keep it out of water bodies and wastewater.
Product GPSR safety information
A safety PDF is not currently available for this product. Please refer to the product information below and the label.
Storage
Store under cover
Store under cover and protect from excessive wetness. Do not expose to direct sunlight.
Reuse only for the same intended purpose. Follow applicable waste requirements when disposing of the material.
Manufacturer / company placing the product on the market
GREEN24 GmbH
Am Neggenborn 125
44892 Bochum, Germany
info@green24.de
www.green24.de