Halatool 1.5-Inch Rockwool Cubes Starter Plugs for Hydroponics - 98 Pieces in 2 Sheets

Halatool 1.5-Inch Rockwool Cubes for Hydroponics

Meet a versatile starting medium designed to support seedling germination, rooting, and cloning in hydroponic and soilless systems. Halatool 1.5-inch rockwool cubes offer consistent size, reliable moisture retention, and generous air flow around developing roots, helping you manage a clean, efficient grow space.

The material is basalt-based rockwool created by high-speed centrifugation and high-temperature melting, then compressed into uniform blocks. This yields a soft, even texture with strong water absorption and good air permeability, which can support your plants during early growth stages. The value pack includes 2 sheets with a total of 98 plugs, making it easy to scale up for batch sowing or cloning projects.

Key benefits

• Excellent moisture retention to keep roots hydrated between waterings.
• Strong air permeability that supports healthy root development and oxygen access.
• Durable, uniform cubes that are easy to handle and transplant without disassembling.
• Versatile applications across hydroponics, seed starting, rooting, and cloning.
• Pre-cut, ready-to-use packaging for faster setup and less prep work.

How to use

To prepare, cut the rockwool into the desired cube size with a clean knife before soaking. Then briefly soak each piece (about 10 seconds) in a nutrient solution to adjust EC and pH. Aim for a pH around 5.5 for most seeds. Maintain appropriate moisture, light, and temperature for your crop, and monitor the environment. When robust roots reach roughly 0.5–1 inch, transplant into a suitable container.

What you get

• 2 sheets of 1.5-inch rockwool cubes, totaling 98 plugs.
• Basalt-based rockwool material compressed into uniform blocks for consistent germination.
• Soft, even texture with high water absorption and good air flow.

Applications

• Hydroponic systems and soilless cultivation.
• Seed starting, rooting, and plant propagation.
• Cloning and cuttings in controlled environments.
• Convenient for both home growers and commercial facilities.

Halatool rockwool cubes offer a practical starter medium that aligns with common propagation workflows. Results depend on setup and crop, but these plugs provide a ready-to-use option that supports early growth when paired with appropriate care.