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

Product Description UPuper®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 Specification Single size: 1.5 *1.5 *1.5 (L*W*H（inch)) Hole Size: φ0.2",H0.8" Grooves: Don't have Film: 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 Advantage 1. The shape and firmness of the rockwool plugs are of a quality that makes processing significantly easier, whether that processing is mechanical or manual. 2. Stable enough, won't degrade during use, and save cleaning costs. 3. Mini grow blocks are individually wrapped in white plastic to minimize algae growth,prevent excessive evaporation of moisture. 4. Multiple uses.Remove wrapping and transplant into traditional planters and growing mediums,or keep the packaging and put it directly on top of rockwool grow block or grow slab. 5. Does not contains any pathogenic bacteria, which can reduce the risk of virus infection in seedlings. Application Mini-blocks sit in a tray (flat) without support for easy starting of seeds and cuttings.Used for cannabis cloning or rose plants cutting. Practice TIPS 1. You need pre-soak them before use. 2. Adjust pH in the range of 5.5-6.5 for cannabis cloning. 3. Rockwool mini blocks can be reused or recycled for another planting. Plant leafy vegetables after disinfection. Remove wrapping, cut it and mix it with the soil to improve the air permeability of the soil.