3" Grodan Rockwool Cube Large Hole
Once seeds or cuttings are rooted in a propagation cube transplant them into these. Ideal for use in NFT, slab culture, dripper or ebb and flood systems.
Remove the plastic sleeve before transplanting into a nutriculture hydro system for increased oxygen to the root zone and accelerated growth.
The Benifits of Grodan
- Completely sterile and inert
- Increased root development