Description
Precision lighting from Lumatek, one of the most trusted names in grow technology. These 315W CMH PGZX18 lamps are engineered for growers who want consistent spectrum, strong PAR output, and reliable performance across both vegetative and flowering stages.
Designed for use with Lumatek CMH fixtures and fully compatible with other PGZX18 systems, these Ceramic Metal Halide lamps deliver a balanced full-spectrum output with excellent colour rendering and canopy penetration.
Available in 3100K (Agro) and 4200K (Daylight), allowing you to match your lighting to your grow stage.
Spectrum Options Explained
| Lamp | Kelvin | Spectrum Bias | Best Use | Visual Output |
|---|---|---|---|---|
| 315W CMH 3100K (Agro) | 3100K | Red/Orange Enhanced | Flowering or Full Cycle | Warm white with red tones |
| 315W CMH 4200K (Daylight) | 4200K | Blue/White Enhanced | Vegetative growth, clones, mother plants | Clean daylight white |
Why Choose Lumatek CMH Lamps
- High PAR output for strong plant development and yield
- Full-spectrum light closer to natural sunlight
- CRI >90 for accurate plant inspection and health monitoring
- Excellent lumen maintenance for consistent performance over time
- Lower heat output compared to traditional HPS systems
- Proven reliability from a leading grow lighting brand
Key Features
- 315W Ceramic Metal Halide technology
- PGZX18 twist-lock base for secure installation
- Designed for digital square-wave CMH ballasts
- Fast pulse-start ignition
- Long operational lifespan
Compatibility
Compatible with all 315W CMH fixtures using a PGZX18 fitting, including:
- Lumatek Aurora 315W CMH
- Maxibright Daylight 315
- Adjusta-Watt 315W systems
- Other PGZX18-compatible fixtures
What You Get
- 1 x Lumatek 315W CMH Lamp (3100K or 4200K)
- Protective packaging for safe delivery
Hydro Bros Insight
CMH remains a solid choice for growers who prioritise spectrum quality and plant response. The 3100K is a strong all-rounder for full-cycle grows, while the 4200K is ideal for tighter vegetative growth and healthier structure.
Reliable, consistent, and built to perform.
