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Greengrow Upuper Cultivation Cube - CB 75M - Case (384 Pcs)


Product Description

UPuper®CB 75S grow cubes can be used as an intermediary or
final container for planting. Cubes provide a high-quality stonewool substrates for hydroponic and indoor cultivation.

Product Specification
Product model: CB 75S
Single size: 3 *3 *2.5 (L*W*H(inch))
Hole Size: φ1",H1.38"
Grooves: Have
Film: Have white film wrapped.
Package: 384 pcs/carton
*Any other size request, please contact us online!

Product Parameter(Property: Value)

  • Bond strength: NA
  • Sink time: <10s
  • Water absorption rate: >=900%
  • Organic matter content: <1.5%
  • Meet GMP Hygiene requirements (Bioburden test): No microorganisms
  • Content of toxic and harmful heavy metals: Not detectable levels

Product Advantage
1. Perfect finishing for transplants without hurt the roots.
2. Uniform water content and electrical conductivity distribution throughout cubes.
3. No need to slow seedlings for transplanting, and shorten seedling periods.
4. Rapid root system development.
5. Work with most cultivation bags.
6.Grooves can facilitate water drainage and provide air pruning on root system.

UPuper® CP T25/CP T36/CP R20 stater plugs fit snugly into the pre-formed hole on the top of the growing cube.Used as an intermediary container for cannabis planting. It can be also used directly for medical hemp cloning.

Practice TIPS
1. You need pre-soak them before use.
2. Adjust PH of 5.5-6.5 for cannabis planting.
3. You can remove the wrapping of the grow cubes,cut it and mix it with the soil to improve the air permeability of the soil.

Greengrow Upuper Cultivation Cube - CB 75M - Case (384 Pcs)



  • 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.