Rockwool Big Block cubes by Cultilene make for the perfect hydroponic growth media. This block allows you to make cuttings or germinate your cannabis seeds under the best conditions. The results are homogeneous and plants always grow strong and healthy.
Rockwool is a pathogen-free inert substrate, obtained from volcanic stone and basalt, that boosts nutrient-uptake. Consequently, plants are always well hydrated.
- Rockwool block cubes have two holes: big and small.
- Dimensions: 15 x 15 x 14.2 cm