I would not use a halogen over a tortoise, and I doubt that a halogen is producing UVB. That would be something new to market if it is. I would not trust it without a SOlarmeter 6.5 under it to check it.Is this ok? I was recommended this for my tortoise, but I’m not so sure.
MVBs are not good at all. They are delicate, expensive, unreliable, and they contribute to pyramiding in a young growing tortoise. They should not be used. Regular inexpensive incandescent flood bulbs work the best.Thanks all for your replies. How would this be, then?