Grodan 4" Rockwool Cube with Small Hole

Product Description

Grodan 4" Rockwool Cubes are made for reliable propagation. These cubes can guarantee excellent re-saturation and saturation. This substrate can offer high performance with an excellent air-to-water ratio that can stimulate rich root growth. This product is perfect for NFT systems

What It Is Used For

They are made to very high standards of quality to be used during the propagation phase. This substrate has an overall positive effect on EC levels.

How to Use Grodan 4" Rockwool Cube with Small Hole

Prepare the Rockwool Cubes for use by soaking them in adjusted water to bring their pH down.

To Plant Seeds:

• Insert 2 seeds in the hole. Use a toothpick or other slim implement to press them to the bottom
• Pinch hole closed
• Place cubes in a propagation tray or humidity dome to contain moisture
• Maintain at 70-80°
• Water sparingly every couple of days or mist, to keep the cube moist
• Remove the container lid and place it under lights as soon as the seeds start to sprout

To Propagate Cuttings:

• Dip cut end in rooting hormone
• Plant cutting in Rockwool cube
• Fill the propagation tray full of vermiculite or perlite
• Place rockwool cubes on top of growing media
• Cover the propagation tray to contain moisture
• When roots emerge slightly open the container
• Increase opening day after
• Remove the container when roots have appeared
• Transplant when roots show out of the bottom of the cubes

Dimensions

• 4” Rockwool cube