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Ships within 48 hours · Estimated delivery Sep 3 - Sep 8
Each duct collar is constructed with galvanized steel that can endure extreme temperatures and finished with a corrosion-resistant zinc coating
MAKE SURE YOU DO NOT DISCARD
some crops such as lettuce don’t fare well during the summer heat
• Improves heat and drought stress
Grodan Gro-Block Improved GR10 Large with Hole, 4" x 4" x 4" (Case of 144) spl_ps Each duct collar is constructedGrodan Gro Block Improved GR10 Large with Hole, 4" x 4" x 4" Case of 144 New and improved stone wool substrate with advanced wetting technology from Grodan Introducing Grodan Gro Blocks Improved, a product specifically engineered to deliver real results for your crops, developed by plant scientists, researchers, and top growers. The uniform distribution of water and nutrients throughout the block allows for more efficient use of the entire substrate
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