BeGrow Rockwool Block
Best hydroponic medium for starting healthy seedlings and seamless transplanting.
These dense stone wool blocks are the gold standard for consistent seedling development, offering superior aeration that soil simply can't match. You trade the organic feel of traditional potting mixes for a highly engineered, moisture-balanced environment that practically guarantees a robust, healthy root system.
$125.00
at
HydroBuilder
Who it's for
- Seed starters prioritizing a clean, pathogen-free environment
- Growers wanting stress-free transitions during plant repotting
- Gardeners seeking vigorous root growth and plant health
Who should skip it
- Beginners looking for a ready-to-use, low-maintenance medium
- Eco-conscious growers aiming to minimize landfill waste
- Users wanting to avoid protective gear and handling precautions
Performance breakdown
Root Development
Vertical fiber orientation encourages rapid and healthy root system expansion.
Aeration Efficiency
High porosity ensures roots receive optimal oxygen levels for vigorous growth.
Structural Integrity
Dense stone wool maintains shape and stability even when fully saturated.
Moisture Management
Hydrophilic properties allow for consistent hydration in low moisture environments.
Transplant Ease
Seamless integration from plugs to blocks minimizes seedling transplant shock.
Drainage Performance
Engineered channels prevent waterlogging while retaining necessary moisture for development.
Key Specs
Average fiber diameter
6 µm
Full immersion in water
less than 25 sec
Recommended relative humidity
40-85%
Organic matter
1-4.1%
Density
80 kg/m³ ± 10%
Pressure force at 30% deformation
6 kPa
Recovery level
more than 98% at 6 kPa
Porosity
more than 95%
Soil Type
Seed Starting Mix
Intended Use
Vegetables, Flowers
Know before you buy
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Ask Metto anything about the BeGrow Rockwool Block before you decide.
