Types of Hydroponic Systems

There are two main types of hydroponic systems – closed hydroponic systems and open hydroponic systems. Hydroponic systems that do not involve growing media are usually closed systems, while hydroponic systems that involve growing media (container plants), may be closed or open systems. Closed Hydroponic Systems Closed hydroponic systems the same nutrient solution is recirculated and the nutrient concentrations are monitored […]

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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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