50 Pcs Rock Wool Cubes 50 Cell Hydroponic Growing Sponge Cubes 25 x 25 x 25 mm Hydroponics Planting Cubes for Soil Crops Greenhouse Seedlings

Made from rock wool fibers, the rock wool cubes are soft and flexible, promoting stable root growth. Their dense material retains its shape even after soaking, providing reliable support for even plant growth. Breathable fiber structure balances water and oxygen, allowing the plant base to effectively absorb nutrients. This helps plants grow roots faster, strengthen their root system and maintain stable growth at every stage. Designed to fit trays and pots of all sizes, just place, water and plant. The cubes expand evenly by absorbing water, providing a ready-to-use substrate for domestic or commercial crops, with no preparation or additional pruning. Suitable for hydroponic trays, greenhouse stands, indoor propagation and school experiments. Suitable for germinating, rooting and cloning a variety of vegetables, herbs and flowers - ideal for beginners and experienced gardeners. Contains 50 pieces rock wool cubes. Overall dimensions are 10.6 x 5.1 x 1 in (27 x 13 x 2,5 cm), each block measuring 1 x 1 x 1 in (0.98 x 0.98 x 0.98 in) and can be easily divided and shaped as needed.