The Grodan Delta 4G Rockwool Cube with pre-drilled hole is an ideal growing medium for hydroponic gardeners transitioning plants from propagation to advanced vegetative stages.
With its excellent water retention and aeration balance, this cube encourages rapid root development and plant stability, ensuring a healthy start for your crops. Pre-cut for convenience and sterile for safety, it's a reliable choice for a wide range of hydroponic systems.
Features:
• Dimensions: 75mm x 75mm x 60mm
• Pre-drilled hole for seamless seedling or cutting placement
• Designed for mid-stage transplanting after initial rooting
• Excellent water retention and airflow to support root health
• Clean, sterile, and free from pests or pathogens
• Integrates easily with other Grodan blocks and slabs
Why You Should Buy:
These Grodan Delta 4G cubes are trusted by professional growers for their consistency, cleanliness, and compatibility with various hydroponic setups. Whether you're growing herbs, leafy greens, or fruiting crops, these cubes help establish robust roots and better nutrient absorption, which translates to stronger, healthier plants.
FAQs:
Is this cube reusable?
No, Grodan cubes are designed for single-use to maintain hygiene and plant health.
What crops is it best suited for?
Ideal for a wide range of crops including tomatoes, cucumbers, peppers, herbs, and leafy greens.
How do I use it?
Simply insert your rooted cutting or seedling into the pre-drilled hole, then place the cube into your larger system block or tray.
Is it safe for food production?
Yes, Grodan products are inert, clean, and widely used in commercial food crop hydroponics.
