Pay in 4 interest-free payments of $170.50 Learn more
Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
Easily installs in minutes
releases soil bound nutrients (especially phosphorous)
thereby allowing for healthy new growth
There are no temperature restrictions unlike conventional oils
Light Power:600 WattsPPF: 1
Grodan Gro-Block Improved Jumbo, 6" x 6" x 4" w/Hole (Pallet of 704 Loose Blocks) I Hort Easily installs in minutesGrodan 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