The Rockwool 4-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: 4-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: 4 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.