Rock Wool is a popular growing medium used for supporting seedlings in hydroponic and aeroponic systems. Available in both cubes and plate formats, it provides excellent support for plants during germination and throughout their growth stages. Features: Material: High-quality, durable rock wool Design: Available in cube-shaped pieces and flat plate format Ideal for: Supporting seedlings, aiding germination, and providing support from the stem, as shown in the images Versatile: Perfect for use in hydroponic and aeroponic systems Easy to handle: The plate format can be easily cut to fit your needs Durable: Rock wool offers long-lasting support for plant roots during growthThe Rock Wool cubes and plates are essential for achieving optimal plant growth and support in various growing systems.