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.