The Grower’s Choice 2K bulb is the optimal choice for blooming plants. Though the 2K HPS can be used in all stages of growth, it contains high concentrations of red and yellow light in it’s spectral output, which mimics the natural color of sunlight in the fall, making it best for flowering periods.
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Outputs UV spectra for enhanced resin production
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5% degradation rate at 10,000 hours
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High quality quartz glass for consistent spectral output and PAR production
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Rated for 1,200 umol

Technical Specifications
Lamp Type: High Pressure Sodium
Wattage: 600 Watts
Style: Double Ended
Weight: 5 Ounce
Lifetime: 15000 hrs
Purpose: Flowering
Light output (Lumens @ 100 hours); 90,000
Lumens per Watt: 150
Correlated color Temperature: 2K
Color Rendering Index:
Photon Flux: (umols/s): 1350
$300 Order Minimum Does Not Apply To This Product