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Leca is an acronym and it stands for: Lightweight expanded clay aggregate. It sounds very complicated, but it's quite easy to explain. Essentially, Leca is a growing medium, like soil, in which you can grow your plants. Leca is a collection of baked clay balls that expand when you soak them in water.
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Expanded clay aggregate
Lightweight expanded clay aggregate or expanded clay is a lightweight aggregate made by heating clay to around 1,200 °C in a rotary kiln. The heating process causes gases trapped in the clay to expand, forming thousands of small bubbles and giving... Wikipedia
Lightweight expanded clay aggregate (LECA) or expanded clay (exclay) is a lightweight aggregate made by heating clay to around 1,200 °C (2,190 °F) in a ...
Oct 27, 2022 · Leca stands for Lightweight expanded clay aggregate. In this post, we'll go over why it is useful for growing your plants and what benefits ...
Leca® LWA is made from domestic clay, which can be used almost limitlessly in construction. There is no concern about the availability of raw materials because ...