3" (75mm) Small Hole Transplanting Cube (28/35) per Cube Cultilene

The Cultilene 3" Transplant Cube (28/35) small hole is a premium-quality rockwool transplant block designed for seamless propagation from 25–28mm starter plugs. Featuring a pre-formed 28mm diameter x 35mm deep hole, this cube ensures secure root contact, optimal moisture balance, and rapid early growth.

Made from high-density, sterile stone wool, the cube delivers an excellent air-to-water ratio for root zone oxygenation while retaining enough moisture to support consistent nutrient uptake. It’s perfect for growers using hydroponics, drip systems, or coco-based media.

Key Features:

• 75mm x 75mm x ~65mm cube with 28/35mm pre-drilled hole

• Fits 25–28mm propagation plugs securely

• Supports strong root establishment and oxygenation

• Manufactured from pH-neutral, sterile rockwool

• Ideal for hydroponic, coco, and drip-feed systems

• Promotes healthy transplanting with minimal shock

• Clean and uniform for commercial and hobby use

How to Use:

1. Soak cube in pH-adjusted water (target pH 5.5–6.0) for 2–4 hours.

2. Insert the starter plug firmly into the pre-cut hole.

3. Place into tray, pot, or hydro system for final root development.

4. Maintain moisture levels without oversaturation.

Specifications:

• Product Type: Rockwool transplant cube

• Size: 75mm x 75mm x ~65mm

• Hole Size: 28mm diameter x 35mm deep

• Material: Stone wool (rockwool)

• pH: Neutral (pre-soak recommended)

• Application: Transplant from small plug to larger media

• System Compatibility: Hydroponic, coco, drip

• Sold As: Single cube (per unit)

Recommended Use:
Best for growers seeking a stable transplant platform for smaller plugs, with enhanced root zone support and compatibility across modern growing systems. Cultilene’s 3" Cube (28/35) ensures consistent results and healthy plant transitions.