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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
Most Plants During Early Growth: Use 1
which is specifically produced for double junction electrodes
Kit Inclusions: The kit incorporates (4) wood mounting screws and (4) machine mounting screws with nuts
An important note is that it is FDA approved and considered food safe
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Grodan Gro-Block Improved GR22 Jumbo with Hole, 6" x 6" x 4" (Case of 64) grow-system/-trays/-reservoirs Most Plants During Early Growth:Grodan Gro Block Improved GR22 Jumbo with Hole, 6" x 6" x 4" Case of 64 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
