Commercial-Scale Jumbo Blocks for Long-Cycle, High-Value Crop Production

The Grodan® Gro-Block Improved Jumbo is the result of a research partnership between Grodan, Wageningen University & Research, and top commercial growers across North America. At 6"x6"x4", the Jumbo delivers exceptional root zone volume, uniform water and nutrient distribution, and Grodan’s most advanced steering capabilities — now available loose on pallet for high-volume operations.

Key Features

• 6" x 6" x 4" jumbo format block with pre-cut plant hole
• Loose on pallet — 704 blocks per pallet for high-volume commercial operations
• Advanced Wetting Agent (AWA) for optimal fiber structure and uniform WC/EC distribution
• Superior steering capabilities for precise crop management throughout the cycle
• More uniform water distribution supports a well-defined root system with higher water and nutrient uptake capacity
• Maintains structure, firmness, and rigidity throughout the growing process
• Reusable and recyclable — part of Grodan’s sustainable growing program

What’s Included

704 blocks loose on pallet. Ideal for commercial greenhouse and indoor farm operations.