Tray of 150 rock wool cubes. Perfect for growing seeds or cuttings, it can be reused several times in both soil and hydroponic cultivation thanks to its porous interior. Before use, they should be watered and it is recommended to keep them at a pH of between 5.6 and 5.8. 

• Tray of 53 x 31.5 x 3 cm
• Each plug measures 2 x 2 x 4 cm.