Growing Mediums
Vermiculite
Vermiculite is similar to perlite, in that it is a mineral that is mined and heated to very high temperatures so that it expands. It is used for its water-holding capacity, but it can become waterlogged. History: The term vermiculite dates back to 1824 and comes from the Latin word, vermiculare, which means “to breed […]
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Coco Coir
Coconut coir is a widely available growing medium that is becoming quite popular. Coconut coir is made from the husk of the coconut, which is often considered a byproduct when coconut is used in other industries. Coconut husk is processed to produce fibrous material for use as a growing medium, and is noted for its […]
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Perlite
Perlite is an ideal hydroponic media because it is so light in weight. Perlite is an amorphous volcanic glass that has relatively high water content, typically formed by the hydration of obsidian. It occurs naturally and has the unusual property of greatly expanding when heated sufficiently. When used in growing systems, it is noted for […]
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