Grodan Improved Jumbo, 6 x 6 x 4, with hole, case of 64 Fungicide where most common pump sprayers

where most common pump sprayers can’t reach

OMRI listed for Organic Gardening

and lined with 100% reflective mylar fabric materials

Double junction probe (not replaceable)

Overdrive is a flower enhancer that adds extra girth and weight to your plants in the crucial final phase of flowering

Grodan Improved Jumbo, 6 x 6 x 4, with hole, case of 64 Fungicide where most common pump sprayersGrodan Improved Jumbo (White Foil) 6 x 6 x 4 (Case of 64) Grodan Improved Grodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for specialty crops. The result of months of scientific research and trials is Grodan Gro Blocks Improved with our Advanced Wetting Agent. These leading edge blocks have the