Gro-Slabs offer a wide control range to steer your crop using simple irrigation strategies. They can also be resaturated quickly and effectively. The WC and EC are distributed uniformly throughout the slabs. As a result, Grodan Gro-Slabs offer a wide control range to steer your crop using a simple irrigation strategy. Grodan Gro-Slabs are the ideal solution for growers seeking a reliable substrate that facilitates easy irrigation and leaves nothing to chance throughout the cultivation period.