Grodan Gro-Block Improved GR6.5 Small 4'' (4''x4''x2.6'') | Case of 216 unwrapped PLANT CARE UIS Smart Controller Dimmable Driver:

UIS Smart Controller Dimmable Driver: 0-10V dimming pairs with AC Infinity Controller 69 Pro for auto-schedules

In many cases

Ideal for large or multi-room grow setups

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

It carries an 1

Grodan Gro-Block Improved GR6.5 Small 4'' (4''x4''x2.6'') | Case of 216 unwrapped PLANT CARE UIS Smart Controller Dimmable Driver:Grodan 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