Starter Plug DRY
Fibrgro Starter Plugs deliver reliable propagation results with a 75/25 mix of fine coco pith and white peat.
These pre-charged plugs are ready to use and promote fast, even root development — perfect for commercial trays and automated propagation systems.
Balanced Coco-Peat Plugs for Superior Propagation:
Fibrgro Starter Plugs are crafted for dependable, uniform rooting in large-scale horticultural settings.
Featuring a 75% fine coco coir and 25% white peat blend, this formulation offers ideal porosity and structural support for young plants.
Pre-fertilized and tray-compatible, they streamline propagation in both manual and automated environments, delivering consistent results from the start.
Key Features & Benefits
Rapid Root Development – Optimized air-to-water ratio and fine texture promote full-root penetration
Plug-and-Play Compatibility – Works with manual setups or automated tray systems
Pre-Charged with Nutrients – Balanced NPK formula with trace elements supports vigorous early growth
Reliable, Clean Substrate – Low EC, stable pH, and minimal heavy metals for safe propagation
Excellent Water Behavior – Re-wets easily and distributes moisture evenly
Certified & Sustainable – TüV Biobased certified, compostable plug with recyclable packaging
Cost-Effective for High-Volume Use – Time-saving and high-performing in commercial setups.

TECHNICAL SPECIFICATIONS
- Composition: 75% Fine Coco Pith / 25% White Peat
- Organic Matter: 85–95%
- Bulk Density (Dry): 85–115 kg/m³
- Water Holding Capacity: 60–75%
- Air-Filled Porosity: 20–35%
- pH: 5.4–6.0 (H₂O)
- EC: 0.8 ± 0.3 mS/cm
- Plug Dimensions:
- Size: 1.5 in x 1.5 in x 1.4 in
- Cutting Hole: 0.1 in
- Available Models:
- Wet Plug
- Dry Plug
Pre-fertilized nutrient profile
- N: 5.5 ± 2.5 mmol/l
- K: 2.7 ± 1.0 mmol/l
- P: 1.3 ± 0.5 mmol/l
PACKAGING
- 300 plugs per box (6 bags of 50 plugs)
- Box Dimensions: 13.4 in x 11.2 in x 8.9 in
*Storage Recommendations: Store in a cool, dry, and well-ventilated space (5–25 °C), away from direct sunlight, children, and animals. Reseal packaging after use to preserve integrity. Limited shelf life.
**Note: Plugs are pre-fertilized but additional feeding may be required depending on the crop and cultivation phase.
For large volume orders or technical inquiries, contact your local Fibrgro representative.






