Hydro Clay 20L Organic Hydroponic Expanded Clay Balls - Inert Plant Growing Medium aidone This unique pen features a

This unique pen features a charming axolotl design

showcasing striking designs and life-like portrayals of fantasy subjects

a cockpit that fits all four Beatles minifigures

Artistic design suitable for a variety of décor styles

heat resistant silicone

Hydro Clay 20L Organic Hydroponic Expanded Clay Balls - Inert Plant Growing Medium aidone This unique pen features aHydro Clay is a premium quality substrate consisting of spheres of expanded clay, providing inert structural support for plant roots in hydroponic systems. Hydro Clay This German made product ensures extremely quick drainage and unimpeded root growth, making it ideal for hydroponic systems. Key Features & Benefits Consistently round shape (8 16mm) provides a high degree of aeration. Less susceptible to pest and disease than other solid substrates.