Consistent Batch Format
Engineered with consistent fiber density to help limit block-to-block variation, supporting repeatable management across your commercial greenhouse.
The Grofine RB-100S hydroponic growing blocks deliver superior rootzone water-oxygen dynamics. This premium stone wool container is suited to commercial tomato and cucumber production.

Engineered with consistent fiber density to help limit block-to-block variation, supporting repeatable management across your commercial greenhouse.
Highly responsive to rapid dry-backs and EC adjustments, granting you closer control over dynamic irrigation strategies.
Balances air-filled porosity and water retention to stimulate vigorous lateral root branching and efficient nutrient uptake.
Customizable drainage grooves and pre-drilled holes support adaptation to your specific hydroponic facility and benching setup.
Brands: Multiple options available.




| Block Size (L × W × H) | Hole Size (Ø × H) | Hole Layout | Base Grooves (Bottom Drainage) |
|---|---|---|---|
| 4 × 4 × 2.5 in (100 × 100 × 65 mm) | φ1 in (25.4 mm), H1.38 in (35.05 mm) | Single Hole | Flat / Single Groove / Multi-Groove |
| Customized | Custom | Single / Dual Holes | Flat / Single Groove / Multi-Groove |
Other sizes, hole diameters, layouts and groove designs are available upon request.
Accepts compatible stone wool propagation plugs and can be placed onto commercial hydroponic slabs for continuous expansion.
Designed for immediate integration with precision drip emitters, fully supporting high-frequency automated fertigation cycles.
Supports transplanting, driving aggressive early growth as crops transition into the final commercial production stage.
Tell us your crop type, irrigation schedule, and facility requirements.
Request technical data, evaluation samples, or custom configurations from our agronomy team.