Quote:
Originally Posted by Vegasarah
Leave the tube how it is and use it just to bring viewing light into the enclosure and pop out the middle halogen bulb and put an MVB bulb in it. It will help raise your basking temp, and it will encourage your monitor to bask with added UV! And you already have it on a chain so you can adjust the height as needed to maintain the correct basking temps! I've been thinking of a way to do this on my own build and that is actually what I plan to do. Dr. Bahoola said it well; it can't do any harm and it might do some good. 
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The problem is that the self ballasted MVB`s start at 100w, they need to be at least 30cm (12inches) from the surface of the animal when basking, that means the part of the animal closest to the face of the bulb, (the head/neck when raised). That being the case, if low wattage halogens are being used (40 or 50w) they would be too far away to get a decent surface temp, I would think?
I`ve used UVB emitting bulbs for many years, but not these days (at least not for the UVB, just the heat at times), and I`ve not noticed the slightest difference in behaviour.
There are many, many keepers who repeatedly breed them successfully and for many years without the use of UVB irradiation. Like many things, this type of lighting/heating is a huge industry, so the more "they" can convince keepers their products are needed, the confusion and debate will continue!