mercury vapor bulb

alil

New Member
I have looked over the forums and a few google searches. I cant seem to get an answer that satisfies me. I own a mvb in my supply box, but I cant figure out if I should actually use it. I see it on some websites saying that they are good and will provide a good uvb output. I have not seen anything saying they will harm my veiled. Basicly I just want a solid answer on whether or not I should use mine. Cage size is 46x26x26 mesh all the way around. room temp remains around 75. ATM I am using a 5.0 tube light.
 
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