Solis Tek 400w HPS HF Digital Bulb - 2000K *Limited Stock*

2K HPS is optimal for all stages of growth. Solis Tek 400w High Frequency Digital HPS lamps are some of the best lamps available on the market with initial lumens of 55,000 and noticeable UVA-UVB and the upper portion of UVC spectra.

Availability: In Stock

Commercial & Large Grow Operations

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Additional Information

Name Solis Tek 400w HPS HF Digital Bulb - 2000K *Limited Stock*
Brand Solis Tek
Alternate SKU/MPN ST400HPS
UPC 888188811041
Weight (lbs) 1.0
Warranty 1 Year
Watts 400w
Lumens 55,500
MSRP $89.99
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Commercial Discounts Available

Solis Tek's special low iron glass allows for more UV spectrums to get to your plants and flowers. Low iron glass is composed of purified materials free from contaminants that make the glass extra clear.  Usually glass has a green tint to it, these are impurities possibly from recycled materials. It has been proven that Low-E glass allows more UV light to pass through.

Featuring Low Iron (Low-E) glass for enhanced UVA and UVB penetration to your plants for higher quality and yield!


  • Superior Photochemical Reactions
  • Proper UV Balance
  • Advanced HID Lamp Design
  • Lamps made by Life Scientists for plants -Best Sunlight Replication
  • Designed for Commercial Applications
  • Made for Quality, Consistency & Yield

  • Optimal for all stages of growth

    Why digital lighting? The Sun is high frequency. In order to make artificial light behave more like natural Sunlight it needs to be high frequency. Digital lighting makes for a higher quality of light that's good for all living things...

    This is only possible if you have the proper lamp and ballast combination. STK Lamps contain UVA-UVB and the upper portion of UVC. Exercise caution when working around any HID lamp that contains UV, always wear protective



    Initial Lumens: 150,000
    Color Temp: 2100
    Rated Life: 24,000 hours
    CRI: <30
    Hot Restart: 3-5 min
    ANSI Spec: S52
    Product #: ST-HPS1000

    Initial Lumens: 90,000
    Color Temp: 2000
    Rated Life: 20,000 hours
    CRI: 22
    Hot Restart: 3-5 min
    ANSI Spec: S106
    Product #: ST-HPS600

    Initial Lumens: 55,500
    Color Temp: 2000
    Rated Life: 24,000 hours
    CRI: 20
    Hot Restart: 3-5 min
    ANSI Spec: S51
    Product #: ST-HPS400

    Don’t buy H.I.D. lamps and electronic ballasts that aren’t a matched set!
    Buying mis-matched components creates hardware conflicts that cause pre-mature failures!