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MI0512 1.5” Rockwool Starter Plugs for Hydroponics, Rockwool Grow Cubes, 1 Sheets of 28 Plugs (Small)
- Premium Rockwool Growing Medium
- Easy Seed Starting
- Excellent Water & Air Balance
- Durable Structure
$11.99
Price as of Oct 16, 2026, 7:47 AM UTC. Prices and availability are subject to change. The price shown on Amazon at the time of purchase applies.
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Key features
Premium Rockwool Growing Medium
Sterile rockwool cubes designed for seed starting, rooting cuttings, plant propagation, and hydroponic growing.
Easy Seed Starting
Predrilled planting holes make sowing seeds and propagating plants simple and convenient for home gardeners and commercial growers.
Excellent Water & Air Balance
Provides approximately 20% air space when saturated while retaining moisture to help maintain a healthy root environment.
Durable Structure
High-density rockwool helps maintain cube shape during watering and transplanting while providing consistent support for developing roots.
Convenient Size
Each cube measures 1.5" × 1.5" × 1.5", suitable for hydroponic systems, seed germination, propagation, and greenhouse growing.
MI0512 1.5” Rockwool Starter Plugs for Hydroponics, Rockwool Grow Cubes, 1 Sheets of 28 Plugs (Small)
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