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I mention below I place the light bulb (using a hand-held socket) in a glass aquarium. Glass completely blocks UV-C light. The other hazard is ozone, so I use t

I mention below I place the light bulb (using a hand-held socket) in a glass aquarium. Glass completely blocks UV-C light. The other hazard is ozone, so I use this outdoors on my patio or garage.

nerfhammer 7y ago
> Glass completely blocks UV-C light. Erm, then why do they come in glass tubes like florescent lights?
- augustt 7y ago
  Not all glass is the same. Pure silica glass will pass UV, the soda-lime glass your windows are made of won't.
- jennyyang 7y ago
  I specifically said UV-C light. Do a bit of research and you'll find the answer.