AgroGardens Hydro Clay Pebbles

Highly porous medium, which limits watering and stimulate development of strong roots that grip the substrate well. Pebbles are round 10-16mm. Offering plenty of oppurtunity for trapping air that provides excellent oxygenation of any nutrient solution that flows over it and provides a strong structure and stable base for plant roots alowwing water to drain freely. Helps to control the application of nutrients and the humidity levels of the plants. Neutral pH. Perfect for using in Flood and Drain systems, Multi - Pot systems and drip - fed systems. They can also be used to mix with other substrates to improve structure or to add a drainage layer in the bottom of the pots.