naturalGRO LECA


Superior lightweight, inert, and porous amendment that fosters ideal conditions for plant growth.

  • An inert growing medium
  • Reduces risk of pest infestation & over-saturated soils
  • Excellent drainage & aeration properties
  • Reusable growing medium if maintained & cleaned properly
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naturalGRO LECA

LECA, also known as lightweight expanded clay aggregate. It is a versatile, lightweight aggregate made by heating clay to temperatures of around 1200°C (2192°F) in a rotary kiln, which causes it to expand due to the generation of gases within the clay. This expansion results in a porous structure with a hard shell that makes it highly suitable for various horticultural, hydroponic, and construction applications.

naturalGRO LECA is known for its excellent drainage and aeration properties, making it an ideal soil amendment and growind medium for plants. It is often used in gardening and agriculture to improve soil structure, promote root development, and ehance overall plant health. Additionally, LECA is reusable after a thorough washing.


3L, 20L

How to use naturalGRO LECA?

1. Hydroponics & Aquaponics

- Use LECA as a growing medium in hydroponic systems, providing support and aeration for plant roots.

- Utilise LECA as a biofilter in aquaponic systems, facilitating the growth of beneficial bacteria that help convert fish waste into plant nutrients.

2. Soil Amendment

- Blend LECA into garden soil to improve aeration, drainage, and moisture retention, especially in heavy clay or compacted soils.

- Mix LECA with other soil amendments to create a lightweight, well-draining pottinng mix for container gardening.


When using naturalGRO LECA, its important to consider the specific needs of your plants and the growing conditions. Adjust the ratio of LECA in mixture according to the requirements of the plants you are cultivating and the intended application.


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