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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
• Adjustable CO2 Deadband
Temperature-controlled Safety Switching range: 10°F-50°F / 50°F-122°F
proceed to vacuum and seal as normal
Root Pots are designed to allow roots to breathe
Battery level indicators
Grodan Gro-Block Improved GR10 Large with Hole, 4" x 4" x 4" (Case of 144) food-storage • Adjustable CO2 DeadbandGrodan 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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