The Grower's Choice 6K bulb is the best bulb for plants in the vegetative stage. The 6K lamp emits a cool blue light, matching the color of sunlight in spring time. This color of light typically encourages short inter-nodal spacing and bushy plants.

Grower's Choice DE MH 6000K 600 Watt Bulb Features

• Mimics spring time light, promotes short inter-nodal spacing
• High quality quartz glass for consistent spectral output and PAR production
• Great for commercial applications where a large vegetative footprint is desired
• Pulse start capable
• Long usable life: 90% at 5000 hours

Specifications

• Spectrum: 6000K - ideal for vegging stage
• Lumens Per Watt: 85
• CRI: 70
• Lumens At 100 Hours: 50,000
• Photon Flux: 700 umol/s
• Lifespan: 6,000 hours

See the full spec sheet .