50pcs 25x25x25mm Stonewool Hydroponic Grow Media Cubes Plant Cubes Soilless Substrate Seeded Rock Wool Plug Seedling Block
50pcs 25x25x25mm Stonewool Hydroponic Grow Media Cubes Plant Cubes Soilless Substrate Seeded Rock Wool Plug Seedling Block
Jumpstart your seedlings with these premium stonewool hydroponic grow cubes. Each 25x25x25mm cube provides the perfect foundation for soilless propagation, offering superior water retention and aeration for vigorous root development. Made from high-quality rock wool, these 50-piece blocks create an ideal growing environment without soil. Ideal for hydroponic systems, microgreens, and nursery operations, they deliver consistent results while keeping your plants chemical-free and thriving from seed to transplant.
Made from molten rock, spun into cotton candy fibers, and then compressed into cubes.
After high-temperature treatment, it is non-toxic and sterile.
Small bulk density, light texture, and high porosity.
Good breathability, strong water absorption, and good drainage.
Suitable for planting and colonizing all types of plants.
An excellent choice for soilless cultivation.
Material: Rockwool
Product usage method
Explanation:
Prepare and plant in rock wool blocks.
Soak in water for 2 minutes.
Remove from the water and let it sit for about 15 minutes.
Put the seeds into the holes of the cube.
Spray water after sowing.
Place it in the seed tray.
This method can avoid diseases and pests during the seedling stage, shorten the seedling age by 3-5 days, and increase yield by more than 10%. In addition, it is low-cost, labor-saving, easy to transport, and easy to manage. It can also be used for seedling production in field cultivation and factory production of vegetable soil cultivation. Do not water for 3-7 days before transplanting to dry the rock wool blocks and promote the freezing of seedlings. After the roots have fully grown, transplant them together with the rock wool into the soil. Watering 2-3 days after transplanting, compared to traditional cultivation, this method can make the seedlings free of diseases and pests, and there is no slow seedling period after transplanting, increasing yield by 10%. It is convenient for transportation and management, only requiring watering with nutrient solution, without measures such as pouring, drying, and squatting.











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Product features
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Materials and care
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Merchandising tips
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