Grodan Stone Wool Macro Plugs with Slit (2000 Count) 601 to 800 CFM so plant-to-plant delivery stays even

so plant-to-plant delivery stays even

KDF85 upgrade ready: Step up to the KDF85 carbon filter for chloramine and well-water metals

or primary placement

Bloom coverage runs 4x4 ft at flowering distances

Holds sixteen 10 x 20 flats: Fills the surface with standard propagation flats and no wasted gaps between them

Grodan Stone Wool Macro Plugs with Slit (2000 Count) 601 to 800 CFM so plant-to-plant delivery stays evenGrodan plugs are known for their homogeneity and reliability. They are the ideal basis for automated processing, uniform germination and a high success rate with pricking out. The shape and firmness of the plugs are of a quality that makes processing significantly easier, whether that processing is mechanical or manual. Every plug has a uniform density, firmness and fibrous structure. This means that distribution of water, nutrients and pH value is