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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
Comprised of coarse sphagnum peat
you can help prevent all of these
This easy-to-use 2-part Dutch style fertilizer is comprised of only (2) individual products marked A & B
That provides the ability to have customized lighting spectrum and timing control
Energy Factor: 2
Grodan Improved Gro-Block, Jumbo 6" x 6" x 4" (Case of 64) Organic Comprised of coarse sphagnum peatGrodan 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
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