Ceramic Planter Filler Balls, Expanded Porous Clay Pebbles Beads, 8 LBS Size

For Hydroponics - Ensures good root aeration and prevents rotting and excess acidity. The porous design of these clay pebbles beads can maintain water to the greatest extent and reduce water evaporation.

Expanded Clay Pebbles

Expanded Clay Pebbles

Expanded Clay Pebbles

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D'vine Dev Ceramic Planter Filler Balls 12qt, Expanded Porous Clay Pebbles Beads for Hydroponic, Gardening, Orchids : Patio, Lawn & Garden

Here is a simple diagram that rocks/pebbles in the bottom of your pot creates a 'perched water table' closer to the roots which increases the chance of rot. It's a myth that