T5 lights are pretty close to the MVB strength and can easily exceed the safe upper limits for UV exposure. They have the advantage of a much wider light spread and natural color as well. MVB tend to have a very "spot" light spread and a more distorted color (to reptiles).Ed707":31y5cepp said:I'm in favor of using a mvb, but that's just my experience and opinion. From the research I've seen a good strip light in a reflector can produce adequate uvb but not optimal, where a hq mvb can get you high uvb readings. I use both but I have a large viv and solarmeters to read what's safe and what's not. Arcadia does have a new 14% flourescent uvb bulb that I'd like to see some readings from, that might produce higher uvb then the other uvb tube bulbs.
Ed707":1yqt1jk8 said:Idk about the 6.2 not being as accurate as a 6.5, I'd like to see some research on that if you have a link you can share. I do know the 6.2 judges only uvb rays and the 6.5 judges UVI in general meaning it judges uva and uvb combined. I also know that bearded dragons see in full color spectrum, so maybe you might be thinking the 6.5 judges the color spectrum? I don't think that's the case but I could be wrong. I believe there's 3 colors to the color spectrum that we and any animal uses to see in full color. Red, blue and I think green are the 3 colors? The halogen bulbs produce a reddish color and most flourescent bulbs produce a bluish color, while mvb's produce the green. At least this was my thinking and I could be wrong. I believe 5000k or 6500k full spectrum daylight flourescent bulbs are supposed to produce full color spectrum but ofc I could be wrong again. Reptisuns as far as I know aren't full spectrum lighting. Arcadia claims there bulbs are 6500k full spectrum bulbs and I see no reason not to believe that. I seen some page that said it's believed bearded dragons might even see a fourth color yellow possibly helpin them see heat waves or maybe uv rays.
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