Hi Brandon, I need your help once again. I am starting to think I found the cause of my beardie issues. My ho t5 10 reptisun with reflector. I just measured distance to bulb from basking site, it's 9 inches. Is that the issue?claudiusx":2mnm0ol5 said:Better isn't the right term. The 14% is a stronger bulb, but not necessarily better.
If your tank is only 12 inches tall, the 14% would be a worse bulb as it would expose your dragon to too much uv. So it depends on your situation really.
The 14 is great in that it lets you provide a nice uv gradient in a larger tank. But they both are "better" bulbs, if you get my drift.
-Brandon
Cor":2x9stfwl said:Hi Brandon, I need your help once again. I am starting to think I found the cause of my beardie issues. My ho t5 10 reptisun with reflector. I just measured distance to bulb from basking site, it's 9 inches. Is that the issue?claudiusx":2x9stfwl said:Better isn't the right term. The 14% is a stronger bulb, but not necessarily better.
If your tank is only 12 inches tall, the 14% would be a worse bulb as it would expose your dragon to too much uv. So it depends on your situation really.
The 14 is great in that it lets you provide a nice uv gradient in a larger tank. But they both are "better" bulbs, if you get my drift.
-Brandon
kingofnobbys":2dlssv3a said:Cor":2dlssv3a said:Hi Brandon, I need your help once again. I am starting to think I found the cause of my beardie issues. My ho t5 10 reptisun with reflector. I just measured distance to bulb from basking site, it's 9 inches. Is that the issue?claudiusx":2dlssv3a said:Better isn't the right term. The 14% is a stronger bulb, but not necessarily better.
If your tank is only 12 inches tall, the 14% would be a worse bulb as it would expose your dragon to too much uv. So it depends on your situation really.
The 14 is great in that it lets you provide a nice uv gradient in a larger tank. But they both are "better" bulbs, if you get my drift.
-Brandon
Refer to this
from viewtopic.php?f=6&t=234801&p=1806497#p1806497
which clearly shows that in summer in the natural range of wild bearded dragons , UVB flux is routinely in the range of 300 to 450 microW / sqcm for much of the day when dragons are actively foraging and seeking mating opportunities.
And refer to this for similar t5ho tubes (in this case t5ho 12% uvb is relevant) :
viewtopic.php?f=34&t=235611
From the graphs - I calculate (very easily) , at 9" from the unobstructed t5ho 10% UVB tube (if it's new) in a reflector hood the following Flux[9"] = 240 x 5/6 = 200 microW UVB/sqcm which is near perfect for the basking spot for a bearded dragon.
Ideally you dragon will do best with a gradient from about 200 microW UVB/sq to 70 microW / sq.cm (and lower at the "shady" end (which usually coincides with the cool zone.
This give the dragon the opportunity to move from extreme / high UV flux to low / zero UV flux as it needs during the day , much the same as they thermoregulate.
Keep in mind the UV output from the t5ho tube will decay over the next 6 months to a point where it will be somewhere between 0.4x and 0.3x the new tube levels as the phosphors loose activity over time.
claudiusx":jy0jz4fe said:It could be, especially if the baking spot isn't very far from the ground which would mean the whole tank has a high uv exposure. Do you have a pic of your tank?
As long as your dragon has places to go to escape the uv rays things should be ok. But if the bulb is close to the floor already and spans most of the distance of the tank then you won't have a very proper gradient.
-Brandon
I bumped to add RELEVANT stuff to it. As I often do to my older threads.claudiusx":e6xe63fy said:This thread is over 2 months old. Strong bump.
-Brandon
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