House & Garden Clay pebbles

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They are lightweight spherical pebbles (8-16mm) with a porous structure making them perfect as a soil-less medium growing by allowing plants access to plenty of oxygen for fast roo t growth. The pebbles have superior water retention capacity to ensure plants have instant access to water and nutrients throughout the entire growing cycle. Clay pebbles offer an optimal balance between excellent drainage and water access for the plant's roots Show more