Grodan Delta 4g Grow Cubes w/Hole (75x75x60 mm)

Grodan Delta 4g Grow Cubes w/Hole (75x75x60 mm) The Grodan Delta 4g Grow Cubes w/Hole are premium mid-stage transplant cubes made from spun basalt rock (Rockwool), specifically designed to support young plants transitioning from propagation to advanced growing systems. With dimensions of 75mm x 75mm x 60mm, these cubes feature a pre-drilled hole for easy placement of seedlings or cuttings, allowing for seamless integration into larger hydroponic systems. Their excellent moisture retention and aeration properties promote robust root development and healthier plant growth.   Specifications Cube Size: 75mm x 75mm x 60mm Carton Dimensions: 610mm x 420mm x 610mm Carton Weight: 10.5 kg Pack Quantity: Available in 1 / 8 / 50 / 100 / 384 cubes per carton Material: Spun basalt rock (Rockwool) Brand: Grodan Country of Manufacture: Netherlands   Features and Benefits Pre-Drilled Hole for Easy Planting: Designed for quick and secure placement of seeds or cuttings, ensuring proper positioning for early growth. Ideal for Mid-Stage Growth: Perfect for transplanting plants that have rooted in smaller propagation cubes, providing the next stage of development support. Promotes Strong Root Expansion: Encourages deep root penetration and lateral root spread, enhancing plant stability and nutrient uptake. High Water Retention with Excellent Aeration: Maintains consistent moisture while ensuring sufficient oxygen supply to the roots, reducing the risk of overwatering or root rot. Compatible with Grodan Blocks and Slabs: Seamlessly integrates into larger hydroponic systems, supporting scalable plant growth. Sterile and Disease-Free Medium: Manufactured under strict conditions to ensure a clean, pest-free, and pathogen-free environment for healthy plant development.   Applications Mid-Stage Transplanting: Supports young plants transitioning from starter cubes to larger hydroponic systems. Hydroponic Systems: Compatible with NFT, flood and drain, drip irrigation, and other recirculating hydroponic setups. Commercial and Hobby Growers: Suitable for both professional growers and hobbyists seeking consistent, reliable plant propagation and development.   How To Use Pre-soak the grow cubes in pH-adjusted water (typically between pH 5.5–6.0) until fully saturated. Place seedlings or cuttings into the pre-drilled hole at the top of each cube. Arrange the cubes in your hydroponic system or onto compatible Grodan blocks and slabs. Maintain proper environmental conditions, including light, humidity, and temperature, to support continued plant growth. Monitor moisture levels regularly and irrigate as required to keep the cubes adequately hydrated without oversaturation.   Other Variants Product Name Hole Usage Stage Grodan MM40/40 Cubes No Early Stage Grodan Delta 4G With Hole Yes Mid Stage Grodan Delta 10G w/Hole Yes Early to Mid Stage Grodan SBS No Mass Propagation Should you require further information or wish to discuss please call us on 03 9796-3100 or email [email protected]