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Metal Halide & High Pressure Sodium
High-Intensity Discharge (HID) Lights
HID lights are powerful and include Metal Halide (MH) and High-Pressure Sodium (HPS) lamps:
MH bulbs emit a blue spectrum, suitable for vegetative growth
HPS bulbs produce a red-orange spectrum, ideal for flowering and fruiting
Advantages
- Very high light intensity, penetrating dense canopies
- Widely available and well-established for commercial growers
Considerations
- Produce significant heat requiring ventilation
- Higher electricity consumption than LEDs
- Bulbs need periodic replacement (10,000–15,000 hours)
Display prices in:AUD
