Professional Growing Media

Rock Wool Growing Block 100S

Model: RB-100S

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.

Grofine RB-100S rock wool growing block for commercial greenhouse vegetable cultivation

Key Product Benefits

Consistent Batch Format

Engineered with consistent fiber density to help limit block-to-block variation, supporting repeatable management across your commercial greenhouse.

Precision Crop Steering

Highly responsive to rapid dry-backs and EC adjustments, granting you closer control over dynamic irrigation strategies.

Optimized Root Aeration

Balances air-filled porosity and water retention to stimulate vigorous lateral root branching and efficient nutrient uptake.

Versatile Configuration&

Customizable drainage grooves and pre-drilled holes support adaptation to your specific hydroponic facility and benching setup.

Product Specifications

Product
Rock Wool Growing Block 100S
Pre-cut hole
1. Standard:1 pre‑drilled hole per cube
2. Custom hole size
Grooves/Planting Ring
Included
Film
Film: Wrapped with white film.
Application
For hydroponic cucumber & tomato.
Compatibility
For mid & final planting, rings reduce algae growth and water loss.
Safety
Microbe-free, pathogen-free, non-toxic

Brands: Multiple options available.

Standard Configurations

Block Size (L × W × H)Hole Size (Ø × H)Hole LayoutBase Grooves (Bottom Drainage)
4 × 4 × 2.5 in (100 × 100 × 65 mm)φ1 in (25.4 mm), H1.38 in (35.05 mm)Single HoleFlat / Single Groove / Multi-Groove
CustomizedCustomSingle / Dual HolesFlat / Single Groove / Multi-Groove

Other sizes, hole diameters, layouts and groove designs are available upon request.

Usage & System Compatibility

Frictionless Block-to-Slab Integration

Accepts compatible stone wool propagation plugs and can be placed onto commercial hydroponic slabs for continuous expansion.

Automated Fertigation Ready

Designed for immediate integration with precision drip emitters, fully supporting high-frequency automated fertigation cycles.

Rapid Root Establishment

Supports transplanting, driving aggressive early growth as crops transition into the final commercial production stage.

Need a High-Performance Substrate for Commercial Growing? 🍃

Tell us your crop type, irrigation schedule, and facility requirements.
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