Professional Growing Media

Cannabis Rock Wool Growing Block 100S

Model: RM-100S

Delivers precise root-zone water-oxygen control. Ideal as intermediate/final hydroponic container, it features optimized air-filled porosity (AFP) to support root development and responsive EC/pH management for high-yield cannabis crops.

Grofine Cannabis Rock Wool Growing Block 100S for commercial indoor cannabis cultivation

Key Product Benefits

Uniform Substrate Consistency

Manufactured with a highly consistent fiber matrix, supporting batch-to-batch consistency for standardized crop steering across your entire commercial canopy.

Precision Crop Steering

The optimized water-holding capacity allows for rapid dry-backs and precise wet/dry cycles, fully supporting advanced P1, P2, and P3 irrigation strategies.

Root Development

Exceptional air-to-water ratios promote aggressive root branching and support root-zone aeration and nutrient management during heavy vegetative and flowering phases.

Customizable Drainage Design&

Available with versatile basal groove layouts and pre-drilled hole options, supporting drainage management tailored to your specific facility setup and benching style.

Product Specifications

Product
Cannabis Rock Wool Growing Block 100S
Pre-cut hole
1. Standard:1 pre‑drilled hole per cube
2. Custom hole size
Grooves
standard:Included
Film
Wrapped in silver/white film
Application
Mainly designed for cannabis cultivation.
Compatibility
Suitable for seeds, seedlings and cuttings, compatible with drip, ebb‑and‑flow and NFT hydroponic systems.
Safety
Microbe-free, pathogen-free, non-toxic

Brands: Multiple options available.

Standard Configurations

Block Size (L × W × H)in/mmHole Size(φ,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
CustomCustomCustomFlat / Single Groove / Multi-Groove

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

Usage & System Compatibility

Seamless Substrate Transitions

Matches compatible stone wool propagation plugs and can be placed onto commercial stone wool slabs for transplanting and continuous root expansion.

Automated Fertigation Ready

Highly responsive to automated drip irrigation emitters and ebb-and-flow tables, allowing closer monitoring of root-zone EC and volumetric water content (VWC).

Optimized for Commercial Cycles

Specifically engineered to support rapid root establishment during the vegetative stage and sustain rigorous nutrient demands throughout the final high-intensity production cycle.

Need a High-Performance Substrate for Commercial Growing? 🍃

Tell us your crop type, irrigation schedule, and facility requirements.
Request technical data, evaluation samples, or custom configurations from our agronomy team.

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