Expanded clay
A mineral growing material with a stable, porous structure and independently monitored production quality.
This store requires javascript to be enabled for some features to work correctly.
Round expanded clay in a 4–8 mm particle size and a large 50 L pack, designed for hydroculture. The stable granules hold the plant upright and create an open root zone, allowing air, water and nutrient solution to move freely around the roots.
Leca®ton provides mechanical support without closing the root zone. Its round 4–8 mm particle size is intended for small and medium hydroculture containers.
A mineral growing material with a stable, porous structure and independently monitored production quality.
Stable granules hold the plant without forming a compact mass around the roots.
Spaces between granules leave room for new roots and air circulation.
A practical quantity for larger containers or several hydroculture applications.
Rinse the granules before planting to remove normal transport dust.
Remove fine dust that may be present on the granules.
Use equipment suitable for hydroculture and check that the water level can be read correctly.
Spread the roots and add the granules gradually without crushing them.
Set the water level and use hydroculture fertiliser according to the plant's needs and the product instructions.
The growing material does not replace fertiliser. Use a suitable hydroculture nutrient product and follow its dosage instructions exactly.
A large pack for bigger containers or several applications. The quantity required depends on the actual volume of each container.
This particle size is intended for small and medium hydroculture containers.
Keep the pack closed and dry, protected from soil or other materials that could mix with the clean granules.
The values apply to the 4–8 mm product category. As the raw material is natural, minor visual variations are expected.
Two useful categories for matching the growing medium and nutrition to your own hydroculture setup.
Choose a water-soluble fertiliser suitable for soil-free growing and follow the product's dosage instructions.
View fertilisers→Browse the available particle sizes and pack options for hydroculture, drainage and plant support.
View expanded clay→Quick answers about particle size, preparation and nutrition in hydroculture.
It is round expanded clay for hydroculture. The stable granules support the plant and leave room for air, water, nutrient solution and root development.
The 4–8 mm particle size is intended for small and medium hydroculture containers.
Yes. Rinsing with clean water is recommended to remove fine dust that can be produced during transport.
No. Use a separate hydroculture fertiliser and follow the dosage instructions for that specific product.
The durable granules can be reused when they remain in good condition, after roots and residues have been removed and the material has been cleaned carefully.
Yes. Expanded clay is made from a natural raw material, so minor variations in colour or surface are normal.