@KarrieRee @xp29 @AHBD the new
UVB light came in the mail. He immediately seems happy and smiling. Although I did not attached it inside the hood. With all the info you guys gave me, it really made me question and wonder a lot of things so I dig deep into the science of said
UVB Light. While you were all correct that my previous light was not giving him UVB at all. And the Dome one was actually working before because his basking rock was way higher. The one I ordered now is what you guys suggested "Arcadia ProT5 12%
UVB Bulb With Hood - 24" after finding out how it all work. I measured the distance between the mesh to the basking light area. Account for the mesh reducing UVB by 15-20% and all. If I put the light inside the cage he will be exposed to too much UVB when he is on top of his little cave thingy and Dangerously high UVB when he is on top of his Hammock which is one of his favorite spot to go on. This specific light the when put inside the cage have to be between 24cm (9.4")-50cm (19.69') away with 20cm(7.8') being high and 13cm(5.12') dangerously high for bearded dragon. My tank is only 18* high so even when it is over the mesh the distance for proper UVB for this light is about 20.4cm (8.03")-42.5 (16.73") at 15% reduction and 19.2 (7.55")-40cm (15.75") at 20% reduction. With these measurements I can see that he still getting the minimal UVB while he is at the base on top of his basking rock and even if he climbs up the cave or his hammock he is not reaching the danger zone for UVB for a bearded dragon.
I just wanted to say that you all have given me a lot to think about and learn and all your suggestions were valid. Besides putting this specific unit inside the cage at an 18" high tank. It will only be valid to have it inside if he does not go any higher than half way the tank and since my Hammock goes up to 14" off the ground I cannot put it inside without endangering him when he is at the Hammock's peak.
Lastly I also learned that D3 is what UVB mainly produce and he was getting it from the powder I put on his bugs. It comes with Calcium and D3. So with this light, I have to buy a powder supplement without the D3 which is not a big deal.
Anyways thank you guys for all your in put and I've learned a lot because you of you guys. I will probably get a 24" (2') tall tank when his next upgrade so I can mount the light inside but yes this is a definitely way batter light than the one I had or the dome that the tank came with.
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Just look at that smile! It was all because of you guys