Large bag of expanded clay pebbles

This set includes a 50 liter supply of lightweight clay aggregate suitable for various growing methods. The pebbles range from 8mm to 16mm in size, providing a consistent texture for root support. Because they are kiln-fired, these stones are porous and hold moisture effectively while allowing excess water to drain away from the plant base.

The pH-neutral quality of these clay balls makes them a reliable choice for sensitive hydroponic setups where water chemistry is vital. They do not compact over time, which ensures that oxygen can reach the root zone even in deep containers. This media is often used in ebb and flow systems or as a bottom layer in traditional pots.

These listings highlight the organic nature of the material, which can be cleaned and reused across multiple growing cycles. The round shape prevents root damage during transplanting and provides a stable foundation for larger plants. It serves as a functional substrate for hobbyists focused on propagation or long-term indoor gardening projects.