- -27%
Rockwool is used by professionals and amateurs alike, rockwool cubes have the particularity of being cheap, reusable and sterile.
Advantages:
Better root oxygenation
Good retention of water and therefore nutrients
Prevents rotting
Avoids problems due to transplants.
Practical for hydroponic systems
Mineral wool
DM (dry matter) – 99%
Conductivity – 0.01mS/cm
Volume: 75*75*65mm
Hole diameter 25mm