Halatool 1 Inch Rockwool Cubes Garden Rock Wool Stonewool Grow Cubes Starter Plugs for Hydroponics Soilless Cultivation Clone Plants Germination Start (4 Sheets, 200 Plugs in Total)

Value Package Includes: You will get 4 sheets of 1-inch rockwool, a total of 200 pieces of rockwool cubes. These rockwool cubes will be great for your gardening needs, are just the thing for starting seeds and cuttings. Good Quality Material: This rockwool 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, soft and even texture, 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 need. The optimum pH for most plant is about 5.5. Then control the suitable moisture, illumination and temperature to improve germination rate. When the robust roots penetrate through the rockwool about 0.5-1 inch, transplant it into a suitable container. Easy to Transplant: Rockwool grow cubes keep the seeds long enough to establish a root system because of their high water absorption, you can cut it into different sizes, cubes, it will not sepreate after immersion, easily transplant to net pots, soil, planting machine after rootted. Application: These rockwool starter plugs have good moisturizing effect and handy planting hole, widely used in hydroponics, rooting, plant propagation, cloning systems and so on. Much convenient than starting in the soil, these are great for planting enthusiasts and commercial growers