Halatool 1 Inch Rockwool Cubes Garden Rock Wool Stonewool Grow Cubes Starter Plugs for Hydroponics Soilless Cultivation Seedlings Cuttings Clone Plants Germination Start (2 Sheets, 100 Plugs in Total)

🌱Package Includes: You will get 2 slate rockwool, a total of 100 plugs. They are fluffy and can be devided into a single one easily. They can help your plants grow healthily.
🌱Eco-Friendly Material: This rockwool cube is very effective hydroponics supplies, made of high-quality basalt, centrifuged at high speed to form fibers after being melted at high temperature, and compressed into blocks through proprietary process. They are soft and even texture, have good water absorption and strong air permeability, which is helpful to the growth of roots.
🌱How to Use: Please cut the rockwool into cubes according to your needs with a knife before soaking. Then simply soak the cubes briefly (10 sec) in a nutrient solution to adjust its EC and pH value to the range required by your seeds. The optimum pH for most plant seeds is about 5.5. Then control the suitable moisture, illumination and temperature to improve germination rate of seeds. When the robust roots penetrate through the rockwool about 0.5-1 inch, transplant it into a suitable container.
🌱Easy to Observe：The rockwool cubes are easy for you to manage the plant seeds, you can observe the germination of the seeds in one sheet. It can save your time and energy.
🌱Application: These rockwool starter plugs have good moisturizing effect and handy planting hole, widely used in hydroponics, seed starting, rooting, plant propagation, cloning systems and so on. Much convenient than starting in the soil, these are great for planting enthusiasts and commercial growers.