Clay Pebbles in Hydroponic System 101 [Tips & Growing Guide]

Cultivating plants without soil – it sounds like science-fiction, but it is happening today.  In fact, gardening without soil has appeared throughout history. Think about the Hanging Gardens of Babylon, one of the Seven Wonders of the Ancient World – they had envisioned this too! In a hydroponic system, an inert growing medium is used …

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