Grodan Improved Gro-Slab, 36 x 6 x 3, case of 12 Monitors & Timers The granules expand instantly when

The granules expand instantly when hydrated

Sits directly on a 5 gallon ONA gel container

1/4" to 1 3/8" in 1/8" increments

Photosynthesis Plus will help to accelerate and optimize plant functions

the current moon phase

Grodan Improved Gro-Slab, 36 x 6 x 3, case of 12 Monitors & Timers The granules expand instantly whenGrodan 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