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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
you will see a noticeable difference in growth
More focus and more light
for germination and propagation of seedlings
Pressure rating of >3
Grodan Improved Gro-Block, Jumbo 6" x 6" x 4" (Case of 64) ROSSLBS3 you will see a noticeableGrodan 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 optimal fibre structure and physical properties for crop uniformity, more even