Once seeds or cuttings are rooted in a propagation cube, transplant them to a Grodan Delta cube. 3” and 4” cubes are ideal for use in NFT, slab culture, dripper or Ebb & Flood systems.

Remove the plastic sleeve before transplanting into a Nutriculture hydro system for increased oxygen to the root zone and accelerated growth.


Available in 3" & 4"

Grodan Rockwool Cubes


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