Unlock robust vegetative growth with the Horti King 600W Metal Halide grow lamp. This 600W MH bulb provides a powerful 6500K blue light spectrum, essential for healthy stem and leaf development. Ideal for hydroponics and soil, it promotes a dense canopy, preparing plants for a bountiful harvest.
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Boost the vegetative stage of your indoor grow with the Horti King 600W Metal Halide grow lamp. Mimicking the light of early summer, this high-intensity discharge (HID) bulb delivers an optimal blue light spectrum (6500K) that's essential for vigorous plant growth. Ideal for hydroponics and soil setups, this 600W MH bulb encourages a short, dense canopy, preparing your plants for a robust flowering period. It's a reliable, budget-friendly choice for both hobby growers and commercial operations.
Key Benefits of the Horti King 600W Metal Halide
- Promotes vigorous vegetative growth: The intense blue spectrum light encourages healthy stem and leaf development.
- Encourages compact plant structure: Helps to prevent stretching, resulting in shorter plants with tight internodal spacing.
- Optimal for the growth phase: The 6500K colour temperature is specifically tuned to the needs of plants during their vegetative stage.
- High-quality light output: Delivers a rich, nutritious light that supports overall plant health.
- Standard and easy to install: Features a universal E40 screw fitting, making it compatible with most standard ballasts and reflectors.
Frequently Asked Questions
How far should I hang my 600W Metal Halide bulb from my plants?
For a 600W MH bulb, a general rule is to keep it between 12 and 20 inches (30-50 cm) from the top of the plant canopy. This can vary based on your specific reflector and grow space setup.Do I need a ballast to run this bulb?
Yes, all HID lamps, including Metal Halide and High-Pressure Sodium (HPS) bulbs, require a compatible ballast to regulate the current and power the lamp safely. For a great pairing, check out our selection of digital ballasts.How often should I replace my Metal Halide bulb?
It's recommended to replace MH bulbs every 3-4 grows or after about 10,000 hours of runtime. While the bulb may still light up, its light intensity and spectral output diminish over time, which can negatively affect your plant's growth and yield.Can I use this Metal Halide bulb for the entire grow cycle?
While a 600W Metal Halide bulb is primarily designed for the vegetative stage, it can be used for the entire grow cycle. However, using a HPS bulb during the flowering phase is generally recommended as its red-orange spectrum is better suited for promoting bud and fruit development. For a full-cycle solution, consider a Dual Spectrum bulb which combines both red and blue light.SKU: 1838 Wattage: 600W
Spectrum: Blue Spectrum (6500K)
Fitting: E40 Screw Fitting
Lamp Type: Metal Halide (MH)
Compatibility: Compatible with both magnetic and digital ballasts.
Safety: CE markedFree delivery on orders over £60*
- UK Mainland onlyStandard Delivery £4.95
- Heavy / Large item surcharge £2 per item
- 1-3 Days**
- UK Mainland onlyExpress Delivery £8.95*
- Next Working Day**
- UK Mainland onlyScottish Highlands £15.95*
- 2-5 Days***Can not be used with Heavy / Large items
**If ordered on a working day before 2pm cut off (Saturday and Sunday are not classed as working days).Please See Delivery and Returns page for more details.