1 Inch Rockwool Cubes Seed Starter Plugs Hydroponics Planting Sponges 100PK

• Package Includes: You will get 2 sheet rockwool cubes, a total of 100 pcs plugs; These lightweight rockwool are suitable for seed germination, cuttings, or cloning, ensuring optimal root development in hydroponics, aeroponics, or soil-cultivated gardening systems
• Premium Material: Our rockwool cubes is made of basalt, centrifuged at high speed to form fibers after being melted at high temperature, and compressed into cubes through proprietary process; Rock wool has a soft texture, young roots can easily penetrate without damage, grows faster and stronger
• Easy to Use: Please use the knife to cut the rock wool into small cubes; Soak it briefly in diluted nutrient solution (10 seconds) or add citric acid to adjust the pH value to approximately 5.5, which is preferred by most plants; Place the seeds into the pre-set holes, control the proper moisture, temperature, light, and wait for the roots to grow 0.5-1 inch, then move the cubes directly into the soil or hydroponic system
• Promote Rooting: Rockwool fiber structure can quickly absorb water and maintain adequate oxygen circulation, the roots system grows faster and more densely, easy to transplant; Rockwool's low thermal conductivity can buffer temperature fluctuations, stabilizes the root environment, especially suitable for early spring seedlings of temperature-loving plants such as tomatoes and peppers
• Wide Applications: Rockwool grow plugs are ideal for accelerated seed starter, herb cloning, micro-vegetable cultivation, vertical garden towers, and hydroponic systems; Widely used for seed germination of lettuce, cucumbers, beans, tomatoes, strawberries and flowers, as well as for home gardening, indoor plants, greenhouses, and commercial large-scale seed breeding