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LECA(Lightweight Expanded Clay Aggregate)

LECA (lightweight expanded clay aggregate) is made especially for hydroponic use, mostly used in commercial hydroponic gardens. The baked clay pellets have a neutral pH and are completely inert, allowing the grower to control the pH more easily. LECA is light weight and has excellent filtration and aeration properties. With these properties it is often used in conjunction with a denser medium. LECA can also be bought in different sizes, to suit the growers every need.  This makes the baked clay pellets a good choice for a hydroponic medium indeed. When using LECA for the first time, be sure to rinse it properly. It can also be re-used if cleaned and sterilized thoroughly after each use.
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