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Grower's Choice 4K 600 Watt Double Ended MH Bulb

Save $86.00 Save $86.00
Original price $145.00
Original price $145.00 - Original price $145.00
Original price $145.00
Current price $59.00
$59.00 - $59.00
Current price $59.00

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The Grower's Choice 4K bulb is a slightly warmer metal halide, making it suitable for both flowering and vegetative growth. Growers get the most use out of this style of bulb towards the end of the vegetative stage.

Grower's Choice DE MH 4000K 600 Watt Bulb Features

  • Outputs UV spectra for enhanced resin production
  • Long useable life: 90% at 5000 hours
  • High quality quartz glass for consistent spectral output and PAR production
  • Designed to prolong bulb life and preserve light quality
  • Well-balanced light helps plants smoothly transition to the flowering stage
  • Useable in all stages of growth


    • Spectrum: 4000K - ideal for end of veg, but great for all stages
    • Lumens Per Watt: 100
    • CRI: 65
    • Lumens At 100 Hours: 60,000
    • Photon Flux: 800 umol/s
    • Lifespan: 6,000 hours

    See the full spec sheet here.

    Power 600 watts
    Spectrum 4000K
    Lumen@100 Hrs 60,000
    Lumens Per Watt 100
    Photon Flux 800 umol/s
    CRI 65
    Lifespan 6,000 hrs

    - Free Shipping on all orders $175+ in the continental US (some exclusions apply).
    - In most cases tracking info will be provided via email within 24 hours of shipment.
    - Easy Returns within 10 days of purchase + 25% restocking fee.
    - Please see our Shipping & Returns policy for more details.

    Warranty Information
    Grower's Choice purchases include a 5 year warranty.