Product Description

UPuper® CB 100L 4-inch Rockwool cubes are a good size for transplanting or large plants, featuring a standard-size rockwool pre-cut planting hole for easy transplanting.

Product Specification
Product model: CB 100L
Single size: 4 *4 *4 (L*W*H（inch))
Hole Size: φ1",H1.38"
Grooves: Have
Film: Have white film wrapped.
Package: 144 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. Individually wrapped cubes hold the rockwool’s shape for transplanting without hurting the roots and preventing algae growth.
2. Give roots more growing space.
3. Better water and fertilizer retention.
4. Uniform water content and electrical conductivity distribution throughout cubes.
5. Grooves can facilitate water drainage and provide air pruning on root system.
6. Faster rooting-in of plants.

Application
UPuper® CP T25/CP T36/CP R20 stater plugs fit snugly into the pre-formed hole
on the top of the 4″ growing cube. Used as an intermediary container for cannabis planting.

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.