I use uvb I will continue to use uvb I have tree frogs good luck to all the frogs who's owners only have inconclusive studies for their info. I found alot of studies that say yes to uvb even one Dr. accidently learned this with frogs he was using in a lab that had no sunlight or uvb and was surprised to see severe mbd. I don't know what people are thinking I'm not changing . Good luck to all

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