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  • Airport Lighting
  • Aviation Obstruction Lighting
  • H&P Hughey Phillips Obstruction Lighting
  • Emergency Vehicle Warning Lights, Lamps & Bulbs
  • Fluorescent Light Bulbs
  • Halogen Light Bulbs
  • Heliport Lighting
  • Incandescent Light Bulbs
  • LED Replacement Light Bulbs
  • Photography Lighting
  • HID (High Intensity Discharge) Light Bulbs
  • Specialty Lighting & Light Bulbs
  • UV Ultra Violet, UV-C Germicidal Lamps
  • Industrial Flashlamps
  • Clearance and Closeouts - Full Lots of Bulbs
  • Westinghouse Light Bulbs

    • Shop by Brand

  • EiKO
  • USHIO AMERICA
  • SYLVANIA LEDVANCE
  • Westinghouse Lighting
  • HUGHEY & PHILLIPS
  • GENESIS LAMP
  • TWR
  • WHELEN
  • SANYO
  • ECCO
  • View all Brands

    • Fluorescent Grow Light Bulbs

    Compare Selected

    Genesis Lamp offers top-quality fluorescent grow bulbs and fluorescent grow lighting including F15, F20 and T5 grow lights. We have a huge selection of fluorescent grow lights for every type of indoor gardener from beginners to hobbyists to professional growers.

    Our popular T5 grow lights are powerful, quiet and energy efficient compared to other fluorescent grow lights. You can use these T5 grow lights for any stage of plant growth. This includes seed starting lights, cloning lights, vegetative growth lights and even special “finishing UV lights. We can also customize a T5 grow light system to fit your needs. You'll find a wide variety of T5 grow light bulbs in our extensive catalog, including two-foot T5 (F24T5HO) and four-foot T5 (F54T5HO) versions.

    Options include bloom 3000K, balanced 5400K, grow stage 6500K and 10,000K bulbs. For flowering applications, a UV-A plus lamp is available.