4" (100mm) Small Hole Transplanting Cube (28/35) per Cube Cultilene

The Cultilene 4" Transplant Cube (28/35) is a high-quality rockwool cube specifically designed for transplanting rooted seedlings or cuttings from 25–28mm propagation plugs. The smaller 28mm x 35mm hole ensures a snug fit and excellent root-to-media contact, supporting faster establishment and vigorous growth.

Crafted from durable stone wool, these cubes provide an optimal air-to-water ratio, supporting root oxygenation while maintaining adequate moisture retention. Ideal for growers using hydroponic, coco, or mixed media systems, the cube is pre-drilled, pH neutral, and easy to handle for both home and commercial use.

Key Features:

• 100mm (4") cube with 28mm x 35mm small transplant hole

• Fits 25–28mm propagation plugs securely

• Made from sterile, high-quality rockwool

• Excellent aeration and moisture balance

• Enhances root contact and development post-transplant

• Ideal for use in hydroponic, drip, and aeroponic systems

• Pre-drilled and ready to use after pH adjustment

How to Use:

1. Pre-soak in pH-adjusted water (target pH 5.5–6.0) for several hours.

2. Insert 25–28mm propagation plug firmly into the 28/35 hole.

3. Place the cube in a tray, pot, or hydroponic system.

4. Maintain proper hydration and nutrient feed to support rapid root growth.

5. Cube can be transplanted directly or used as a final-stage media block.

Specifications:

• Product Type: Rockwool transplant cube

• Brand: Cultilene

• Dimensions: 100mm x 100mm x 65mm

• Hole Size: 28mm diameter x 35mm depth

• Material: Stone wool

• Application: Transplant from smaller plug to final media

• Compatibility: Hydroponics, drip systems, soil, or coco integration

• Sold As: Individual cubes (per cube)

Recommended Use:
Ideal for growers needing a secure transplant fit for smaller plugs, this cube offers outstanding drainage, moisture control, and root expansion for high-performance results across a range of grow systems.