Greengrow Upuper 1.5 inch Mini Block - CP S40 - Case (2250 Pcs)

Product DescriptionUPuper®CP S40 mini propagation blocks are excellent for starting bigger seeds or cloning and are easily transplanted to larger stone wool slabs once roots are extended to larger areas for the root system. Usually used with rock wool grow cubes or grow slabs. It's popular for rose plant cuttings or cannabis cloning. Each block is individually wrapped in white plastic, for better handling and also can be used with a seedling tray (flat).Product SpecificationSingle size: 1.5 *1.5 *1.5 (L*W*H（inch))Hole Size: φ0.2",H0.8"Grooves: Don't haveFilm: Have white film wrapped.Package: 2250 pcs/carton Product Specification (Property: Value) Bond strength: NA Sink time: <10s Water absorption rate: >=900% Organic matter content: <1.5% Content of toxic and harmful heavy metals: Not detectable levels Meet GMP Hygiene requirements (Bioburden test): No microorganisms Product Advantage1. The shape and firmness of the rockwool plugs are of a quality that makes processing signi