Expanded Clay Aggregate

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Clay pebbles or hydroton (sometimes referred to as LECA—light expanded clay aggregate) are a hydroponic substrate with units about the size of marbles or peanuts. Because they’re so lightweight, easy for transplanting and harvesting, and easy on the hands, they’re a favorite of producers using media bed or Dutch bucket techniques. Clay pebbles can be used in both hydroponic and aquaponic systems.

Characteristics -
• Better percolation and flow of solutions through media
• Air holding capacity to keep roots more oxygenated
• Helps to maintain pH value
• Environment Friendly
• Easy to plant and harvest