GRODAN IMPROVED GRO-SLAB - 36X6X3'' (Case of 12) Plugs The PAR for this first-class

The PAR for this first-class product

Cubic feet per minute (CFM) output per watt

Light block packaging prevents oxidation from UV light that could alter the buffer value

vapors and particulate hazards at concentrations up to 10 times the Permissible Exposure Limit (PEL)

GRODAN IMPROVED GRO-SLAB - 36X6X3'' (Case of 12) Plugs The PAR for this first-classMost plants can grow in Gro Slabs but they are particularly good for growing large vine crops. For plants growing outdoors during mid day sun Gro Slabs provide a good water buffer. The 12 Gro Slab is considered a wet slab due to its horizontal fibers. It holds more water than other slabs and can support more plants than any stone wool slab. The rest of the Gro Slabs are all comprised of vertical fibers, which allow for faster drainage and a drier