Grodan unwrapped slabs suitable for use as a stand alone medium or to be used in slab boxes/crates.
This medium makes it easy to control the EC and water content allowing it to be suited to a wide range of crops.
The high levels of porosity ensure a perfect water content, and allows the roots of your plants to grow throughout the entire medium.
90 x 15 x 7.5cm
(slabs are not individually wrapped as they are in the picture, each slab is individual)
Will be wrapped in black plastic for transport