Greengrow Upuper 6x6x6 Block - CM 15 PRO - Case (48 Pcs)

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Product descriptionUPuper® 6 inch Rockwool grow blocks are usually used in the final stage of cannabis planting. It can be used as a container for cannabis growth to harvest, or pl aced on the grow slab to allow the roots to continue growing. It is the most popular cultivation block in hydroponic cannabis planting growers.Product SpecificationSingle size: 6 *6 *6 (L*W*H（inch))Hole Size: φ1.57",H1.57"Grooves: With or Without Grooves, both are availableFilm: Have silver/white film wrapped.Package: 48 pcs/carton Product Parameter (Property: Value) Bond strength: NA Sink time: =900% Organic matter content: Show more