Grodan Gro-Block Improved GR6.5 Small 4'' (4''x4''x2.6'') | Case of 216 unwrapped PLANT CARE if some of the elements

if some of the elements in parts A and B are thrown together at the same time

Each unwrapped strip contains 45 blocks—50 strips per case—for efficient bench-level handling and high-volume starts

Deep tapered guards and matched blades keep the stream coherent while it runs quiet and efficient

Our DBT Model 5 also features a timer valve so you can set it and forget it and not worry about over trimming your precious flower

Grodan Gro-Block Improved GR6.5 Small 4'' (4''x4''x2.6'') | Case of 216 unwrapped PLANT CARE if some of the elementsGrodan Gro Block Improved 4x4 for Precision Growing These stone wool blocks feature advanced wetting technology for even water content and EC throughout the entire substrate, enabling faster rooting in and consistent plant development. The optimized fiber structure supports stronger roots that fully explore the block, improving water and nutrient uptake while reducing overall inputs. Backed by collaboration with Wageningen University & Research and