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Ships within 48 hours · Estimated delivery Sep 8 - Sep 13
Width - 22 IN / 56 CM
ensuring you get the exact coverage you need
Designed to securely hold jute twine or other trellising lines
Superior lumen/PPF maintenance of 90% at 8
Grodan Gro-Block Improved GR7.5, 4" x 4" x 3" (Case of 192) refurbished-products Width - 22 IN /Grodan Gro Block Improved GR7. 5 Medium with Hole, 4" x 4" x 3" Case of 192 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