Grodan MM40/40 Wrapped 40 mm Cube 2250 pcs

Grodan MM 40/40 Propagation Cubes The professional standard for reliable seed starting and cloning in hydroponic and soilless systems. Sold in a carton of 2,250 (40 mm × 40 mm × 40 mm) individually wrapped rockwool cubes that deliver uniform, vigorous root development. Premium rockwool construction - Made from high-quality spun basalt rock for consistent performance Optimal balance of water and air - Excellent water retention combined with superior aeration and oxygen availability for fast germination and strong roots Uniform moisture & nutrient distribution - Advanced fibre structure ensures even saturation throughout the cube Compact size - Ideal for seeds, cuttings, and clones of vegetables, herbs, flowers, hemp, and more Greater firmness & stability - Improved handling and structural integrity during propagation Individually wrapped design - Helps reduce algae growth and maintains cube condition Seamless transplanting - Place directly onto larger Grodan blocks, slabs, coco, grow cubes, or soil with minimal root disturbance (wrapper on or off as preferred) Proven reliability - Trusted worldwide by commercial growers and hobbyists for consistently high success rates