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Greengrow Upuper Rockwool Cultivation Plug - CP T36 - Case (1960Cubes/20 Sheets)


Product description
UPuper® CP T36 rockwool plugs are designed for seedling and cutting propagation prior to "blocking on" into larger growing blocks.
It gives the root system more space to grow and has good performance in terms of practicality and effect, so it is the most popular clone plug for cannabis.

Product Specification
Single size: 1.14*1.4*1.5 (L*W*H(inch))
Hole Size: φ0.2",H0.6"
Sheet size: 20"*10"*1.5"(98 cubes/sheet)
Package: 20 sheets/carton

Product Parameter (Property:Value)

  • Sink time: <10s
  • PH: <7.5
  • 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 V-shape design of the starter plug discourages the tangling of roots,and easy to separate the plug.
2. The shape and firmness of the rockwool plugs are of a quality that makes processing significantly easier, whether that processing is mechanical or manual.
3. Can be used without a seedling tray or fits a standard 10 X 20 tray (flat)
4. Does not contains any pathogenic bacteria, which can reduce the risk of virus infection in seedlings.
5. It ensures optimal growth conditions for plants with its unique design.
6. The substrate is produced automatically and uniformly with consistent performance,
which can unify the ratio of water to fertilizer and water vapour, achieve precise control, and save cloning management costs.
7. Stable PH and EC can reduce the risk of cloning cultivation and increase the survival rate.
8. Stable enough, won't degrade during use, and save cleaning costs.
9. Fits perfectly in the growing hole on top of CM 150PRO rockwool cubes.
10. Seedlings or cuttings started in the UPuper® cubes can also be transplanted into other growing mediums.
11. A tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen for rapid plant fast rooting.

UPuper® CP T36 rockwool plug is extremely versatile and lends itself perfectly to the cloning of cannabis. Cutting plants will show fast rooting, uniform stem development.

Practice TIPS
1. You need pre-soak them before use.
2. Adjust nutrient pH of 5.5-6.5 for cannabis cloning.
3. Rockwool plugs can be reused or recycled for another planting. Plant leafy vegetables after disinfection. Cut it and mix it with the soil to improve the air permeability of the soil.
4. It is recommended to wear gloves when handling.

Greengrow Upuper Rockwool Cultivation Plug - CP T36 - Case (1960Cubes/20 Sheets)



  • What's the advantages of hydroponic culture?

    Hydroponic vegetables provide nutrients and water directly to the roots through nutrient solutions, making their nutrient supply more sufficient, balanced, and rapid. Vegetables grown in this way have yields several times or even more than ten times higher than those grown in traditional soil or substrate cultivation.

  • What's the advantages of rock wool cultivation?

    Agricultural rock wool cultivation is the most advanced cultivation technology in modern agriculture. From cultivation facilities to environmental control, it can be monitored and regulated according to the needs of crop growth and development. Therefore, agricultural rock wool cultivation has advantages that traditional soil cultivation cannot surpass.

  • I'm a business grower, can I get a discount?

    Yes, we offer wholesale discount for business growers. If you're shopping in volume, please contact us for the wholesale price and any other discount programs that you may be eligible.