4" (100mm) Large Hole Transplanting Cube (38/35) per Cube Cultilene

The Cultilene 4" Transplant Cube (38/35) Large Hole is a high-quality rockwool propagation block designed for transplanting rooted cuttings or seedlings from smaller starter plugs. The 38/35 hole is pre-drilled to perfectly accommodate 36–38mm round plugs, ensuring firm contact and seamless root integration.

Made from compressed stone wool, Cultilene cubes offer excellent air-to-water ratio, ensuring proper oxygenation and moisture retention for aggressive root development. They are pH neutral, clean, and ideal for use in hydroponic, aeroponic, or drip systems.

Key Features:

• 100mm (4") cube with large 38mm x 35mm hole for transplanting

• Perfect fit for 36–38mm starter plugs or rockwool propagation cubes

• Promotes rapid root expansion and healthy transplant development

• Excellent drainage and moisture-holding balance

• Made from high-quality stone wool – sterile and uniform

• Suitable for NFT, flood and drain, drip, and other hydro systems

• Clean, inert, and easy to handle during transplant

How to Use:

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

2. Insert the rooted plug or propagation cube into the 38/35 hole.

3. Place in your system tray, slab, or pot.

4. Maintain proper moisture and nutrient levels during root establishment.

5. Transplant the entire cube later if needed — biodegradable and stable.

Specifications:

• Product Type: Rockwool transplant cube

• Brand: Cultilene

• Dimensions: 100mm x 100mm x 65mm

• Hole Size: 38mm diameter x 35mm deep

• Material: Stone wool (rockwool)

• pH: Neutral (adjust before use)

• Application: Transplanting rooted cuttings, seedlings

• Media Compatibility: Hydroponics, coco, peat systems

• Sold As: Individual cubes (per cube)

Recommended Use:
Perfect for growers seeking a clean, efficient, and uniform transplant solution that supports vigorous early growth. Ideal for progressing from propagation trays to larger hydroponic systems or pots.