Grodan 1-inch rockwool cubes (40 x 40 mm, no hole) are supplied in cartons of 2250 units. These stone wool cubes serve as an inert growing medium for seed germination and cuttings in hydroponic or aeroponic systems. They feature high water retention capacity combined with superior aeration, fostering strong root development. Neutral pH stability prevents nutrient lockout, while the sterile, fibrous structure resists pathogens. Uniform dimensions enable precise placement in propagation trays and compatibility with automated seeders. The hole-free design supports versatile use in various starter setups.
Grodan cubes carton 2250 – 40 x 40 – no hole (1 inch)
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