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ARTA LECA

Applications

Horticulture & hydroponics

An inert, disease-free and reusable growing medium.

Horticulture & hydroponics

The granules are fired above 1,100 °C, which leaves a medium entirely free of weed seed, fungi and nematodes with no initial sterilisation.

Being chemically inert, it does not shift the EC or pH of the nutrient solution — decisive in hydroponics. At the end of a crop cycle the medium is washed, sterilised and used again.

Recommended grades

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Leca Garden 4–10

Horticulture & green roof

Leca Garden 4–10

Washed and dust-free, for growing media and hydroponics.

Grain size
4–10 mm
Loose bulk density
300–380 kg/m³

Reference projects

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2025 Qom, Iran

Hydroponic greenhouse, Qom

Hydroponic growing medium for six hectares of tomato and cucumber glasshouse.

Volume supplied 1,400 m³

Completed projects

Hydroponic greenhouse, Qom

Hydroponic growing medium for six hectares of tomato and cucumber glasshouse.

Client
Agro-industrial complex
Location
Qom, Iran
Year
2025
Volume supplied
1,400 m³

A washed, pH-neutral medium was specified so the nutrient solution stays controllable without additional correction. The medium is washed, sterilised and reused after each crop cycle.

Scope of supply

  • Supply of 1,400 m³ washed horticultural grade
  • Big-bag packing for in-house handling

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