Grodan Hugo Blocks (48 Box) With Dripper Hole- 150mm x 150 x 142 (6")

Grodan Delta Blocks planting on blocks Once seeds or cuttings are rooted in a propagation cube, transplant them to a Grodan Delta Block. 3” and 4” blocks are ideal for use in NFT, slab culture, dripper or Ebb & Flood systems. 6” Hugo cube can be used for deep Ebb & Flood tables or passive pot culture.