
Rockwool 3 Inch Cubes - Small Hole
The Rockwool 3-Inch Small Hole Cube is an ideal medium for both propagation and cultivation, designed to support beginner and experienced growers alike. These premium cubes offer exceptional air-to-water retention, fostering healthy root systems and encouraging robust plant growth.
Features
- Size: Compact 3-inch cubes with a 25mm small hole, perfect for accommodating propagation plugs or seeds.
- Enhanced Air-to-Water Balance: Provides an optimal environment to support vigorous root development and steady plant growth.
- Versatile Propagation: The small central hole is designed for easy compatibility with a variety of plugs, ensuring seamless transplanting.
- Hydroponic-Friendly: Ideal for use in a variety of systems, including Ebb & Flood tables, passive hydro setups, and more.
- Durable and Efficient: Ensures consistent saturation and re-saturation, providing plants with the moisture and nutrients they need to thrive.
How to Use
- Soak the Rockwool cube in pH-adjusted water (5.5–6.5) before use to stabilise its pH levels.
- Place seeds, cuttings, or plugs into the central hole for propagation.
- Ensure the cube remains moist but not waterlogged during cultivation.
- Once roots emerge, transplant the cube into your preferred hydroponic system or growing medium.
Dimensions
- Cube Size: 3 inches
- Hole Size: 25mm (approximately 1 inch)
- Compatibility: Perfect for hydroponic systems, Ebb & Flood tables, and other growing applications.
Please note: Brand may vary from image shown (we stock Cultiwool, Cultilene, Grodan). Contact us for more information.
Original: $0.44
-66%$0.44
$0.15Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Rockwool 3-Inch Small Hole Cube is an ideal medium for both propagation and cultivation, designed to support beginner and experienced growers alike. These premium cubes offer exceptional air-to-water retention, fostering healthy root systems and encouraging robust plant growth.
Features
- Size: Compact 3-inch cubes with a 25mm small hole, perfect for accommodating propagation plugs or seeds.
- Enhanced Air-to-Water Balance: Provides an optimal environment to support vigorous root development and steady plant growth.
- Versatile Propagation: The small central hole is designed for easy compatibility with a variety of plugs, ensuring seamless transplanting.
- Hydroponic-Friendly: Ideal for use in a variety of systems, including Ebb & Flood tables, passive hydro setups, and more.
- Durable and Efficient: Ensures consistent saturation and re-saturation, providing plants with the moisture and nutrients they need to thrive.
How to Use
- Soak the Rockwool cube in pH-adjusted water (5.5–6.5) before use to stabilise its pH levels.
- Place seeds, cuttings, or plugs into the central hole for propagation.
- Ensure the cube remains moist but not waterlogged during cultivation.
- Once roots emerge, transplant the cube into your preferred hydroponic system or growing medium.
Dimensions
- Cube Size: 3 inches
- Hole Size: 25mm (approximately 1 inch)
- Compatibility: Perfect for hydroponic systems, Ebb & Flood tables, and other growing applications.
Please note: Brand may vary from image shown (we stock Cultiwool, Cultilene, Grodan). Contact us for more information.


















