Grodan Improved Gro-Slab, 36 x 6 x 4, case of 12 Emitters 5 for most plant varieties—your

5 for most plant varieties—your nutrients are likely wasted

increasing your yield 50% or more compared with old blurple and HPS lights

01 calibration buffer that is NIST traceable and supplied with a Certificate of Analysis

Accurate readings simplify crop management and provide improved growth

Grodan Improved Gro-Slab, 36 x 6 x 4, case of 12 Emitters 5 for most plant varieties—yourGrodan Improved Gro Slab and Uni SlabGrodan 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