? bout UVB bulbs
Posted: Mon Apr 02, 2007 2:07 pmthis is kinda a stupid question but how exactly does uvb rays go through the glass of the bulb if uvb cant go through plastic or glass?
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? bout UVB bulbs
https://www.redearslider.com/forum/viewtopic.php?f=15&t=8614
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Posted: Mon Apr 02, 2007 2:07 pmPosted: Mon Apr 02, 2007 2:18 pmIt is my understanding that the glass the bulbs are made from is made from a different material than regular glass....at least that's the only thing that would make sense.
Posted: Mon Apr 02, 2007 2:22 pmlol i was just curious the thought came into my mind today sorry for the dumb question XD!
Posted: Mon Apr 02, 2007 3:17 pmThat's not a dumb question - that's a very smart question!
Posted: Mon Apr 02, 2007 5:00 pmThanks SpotsMama 
Posted: Thu Apr 05, 2007 12:39 amI believe that the rays can also go through plexiglass, if I'm remembering correctly.
Posted: Thu Apr 05, 2007 1:34 amMost glass and acrylic you buy have additives that block out and filter UV rays. It's a safety issue, especially with high powered halogen lamps.
There are few types of unfiltered plastic (forgot the name), but they will also block a lot of heat.
There are few types of unfiltered plastic (forgot the name), but they will also block a lot of heat.