What’s the Difference? Germicidal Lamp vs Blacklight Tube vs Ultraviolet Light

7 December 2025 by
GMT Lighting, Lightonline
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When shopping for UV products, it’s easy to get confused. Here is a simple guide so you can choose the right one:  

Germicidal Lamp (UVC)

  • Designed to kill germs, bacteria, and viruses.
  • Emits UVC light, which is not visible to the human eye.
  • Used for disinfection in hospitals, labs, kitchens, and water treatment.
  • Not safe to use around people, pets, or plants.

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Blacklight Tube (UVA / UVB)

  • Produces the purple glow you see in clubs and parties.
  • Makes white and fluorescent colours glow.
  • Used for decor, glow effects, insect traps, and leak/stain detection.
  • Safe for general use, but not for disinfection.

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Ultraviolet Light (UV)

This is the general category that includes all types of UV:

  • UVA → blacklights
  • UVB → tanning lamps
  • UVC → germicidal lamps
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Browse our full UV range

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GMT Lighting, Lightonline 7 December 2025
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