LECA - Light Expanded Clay Aggregate Growing Medium - Leca Red 8-16mm granules - 1 Litre

Lightweight expanded clay aggregate (LECA) or expanded clay (exclay) is a light weight aggregate made by heating clay to around 1,200 C (2,190 F) in a rotary kiln. The yielding gases expand the clay by thousands of small bubbles forming during heating producing a honeycomb structure. LECA has an approximately round or potato shape due to circular movement in the kiln.

Leca® is the world leader in horticultural, agricultural & hydroponic substrates. The benefits of Leca are :

Intact Granules

• Higher insulation (more closed pores)
• Better drainage (bigger gaps between granules)

 Fragmented Granules

• Better moisture retention (more open pores)
• Better soil aeration (promotes healthy bacterias)
• Increases root biomass (sharp edges split and induce exponential root development)

 Manufactured to relevant ISO standards, Leca® is consistent in nature:

• pH neutral
• stable & durable
• anti-fungal
• resistant to insects

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