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Grodan 40/40MM Mini-Blocks – 1.5″x1.5″x1.5″ – UnWrapped

  • Mini-Blocks sit in a tray (flat) without support for easy starting of seeds and cuttings.
  • These Mini-Blocks are unwrapped.
  • Transplant into any loose media such as Grow-Cubes, coconut fiber or a larger Gro-Block.
  • Packed in easy tear-away strips
  • Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs.
  • Grodan is unique by making different types of fibers. The purpose is to support the requirement of the plant in the different plant stages.
  • Grodan has a tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant growth.
  • Grodan comes in graduated sizes.
  • Seedlings started in cubes are easily transferred to blocks and then onto slabs, if desired.
  • Seedlings or cuttings started in the Grodan cubes can also be transplanted into more traditional planters and growing mediums.
  • Labeled with instructions.