VIVOSUN 1″ Rockwool Cubes, 200 Plugs Stonewool Starter Grow Cubes for Cuttings, Cloning, Plant Propagation, Seed Starting, Hydroponic Grow Media for Vigorous Plant Growth, 4 Sheets of 200 Plugs(1.6″ – 224 Plugs)

Description High-Quality Material: The product is made from high quality basalt, which melts at high temperatures to form fibers and is compressed into blocks by a proprietary process that ensures it holds its shape without falling into pieces Good Permeability: 95% of rock wool porosity allows plant roots to be in full contact with air, retaining sufficient oxygen for rapid plant growth; Good water absorption and strong permeability create a good environment for root growth Sterile & Water-Retaining: Inorganic and sterile growth media are more conducive to seed germination than soil; The fibrous structure retains water for longer, ensuring the water and nutrients needed for plant growth and facilitating the production of stronger root systems Easy to Transplant: You can cut it into cubes of different sizes according to your needs; Each cube has a pre-formed hole into which you can easily place the seeds; Once the roots have developed, you can easily separate the cubes and transplant them into net pots, soil Variety of Uses: Packed with a total of 28 cubes, each measuring 1.6×1.6×1.6 inches, these rockwool starter plugs are widely used for hydroponics, seed starting, plugging, plant propagation and more, making them an excellent choice for hobbyists and commercial growers Product Dimensions : 9.84 x 4.92 x 0.98 inches; 3.5 ounces Item model number : RC-0002-4 Date First Available : February 20, 2023 Manufacturer : VIVOSUN Country of Origin : China