Posted by:
rosebuds
at Mon May 19 21:07:18 2008 [ Email Message ] [ Show All Posts by rosebuds ]
The Mercury vapor is unquestionably better. You get the heat, the best uvb next only to the sun, and really good light all in one place.
The MVB will cost about a third more initially, but it will last two thirds longer if you get a good one like a Megaray or a T Rex. The best tube needs to be replaced after 6-8 months, and the MVBs have been tested and produce more than adequate levels of UVB for 18 months or longer. Its best to replace them at a year to 18 months.
I promise I'm not a MVB saaaalesman, just an addict! 
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