• Single plant and multi-plant slab options
• Vertical fiber orientation
• High resaturation capacity
• Uniform water distribution throughout the Grodan Improved Uni-Slabs
• Choice of no hole or precut hole versions

Grodan Improved Gro-Slabs and Uni-Slabs offer a wide control range to steer your crop using irrigation strategies. Featuring the Advanced Wetting Agent, Gro-Slabs offer more uniform WC and EC distribution throughout each slab and from slab to slab. Fast rooting and vigorous growth throughout the entire growing cycle improve cannabis plant health, better resilience, and higher yields. The improved slab structure and physical properties guarantee rapid resaturation within a wide steering range.

Now available in sizes with precut holes or no hole versions.