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Lighting/Enclosures
LED UVB...something to watch
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[QUOTE="smaugthebeardie3756, post: 1996887, member: 113095"] Did a little further digging and found this video on YouTube that I'll link at the bottom. It's an episode of the Animals at Home podcast with John Courteney-Smith from Arcadia. The overall topic is bioactivity and bioactive enclosures and what that actually means vs naturalistic. Really good information throughout the episode, but at about 38 minutes he starts talking specifically about UVB LED lights. He gets into some very technical info such as specific wavelengths of light and how it compares to natural sun. I'll summarize as best I can here, but it really is worth a watch. Basically he says somewhat similar to Dr. Baines, that there are big gaps in the higher wavelength UVB and into the UVA spectrum, which as he describes it essentially removes the brakes on d3 production, so the animal will produce d3 ad infinitum with no way to regulate or stop it, leading to hypervitaminosis. They also produce large amounts of lower spectrum UVC (250-290 nm). The other issue he expressed is that they can trick the Solarmeter that measures UVI and make you think it's safe, but it has dangerous levels outside of the spectrum that meter measures. The same is true if you use a UVC meter. The dangerous levels are outside the spectrum the meter measures, so it gives a false reading that it's safe. He finishes by saying that the tech just isn't there for it to be possible to have LEDs mimic true sunlight yet, and he estimates at least five more years (although the video is about a year old, so that may have changed since then). He did say that Arcadia is working on it and has a few trials that are looking "favorable," and that when it is possible and shown to be safe, Arcadia will be the first one to put out a product. For now, he still says T5 is the best out there. [URL='https://m.youtube.com/watch?v=L83RApPPri8']Animals at Home podcast with John Courteney-Smith interview[/URL] [/QUOTE]
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Lighting/Enclosures
LED UVB...something to watch
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