We had an issue with lethargic and bought a new uvb bulb x we also bought some uvb sensitive paper to check the levels x sure enough after a week my tort was right as rain again x turns out the previous bulb wasn't supplying any uv.... Even though it said on the box it was uvb...
Aristotle my newest family member x he's 2 years old and I'm James proud new owner of a hermann's tortoise. X he loves the enclosure I built for him but I think he's still a little confused about baths haha