The lights should be on for around 12 14 hours a day when bearded dragons are active excluding brumation.
Fluorescent light fixture for bearded dragon.
Otherwise you can just place some aluminum foil to make a reflector inside the fixture to increase the number of uv rays that reach your bearded dragon.
Ubv fluorescent lighting is the backbone on any bearded dragon setup without it bearded dragons develop something called metabolic bone disease along with a few other health problems.
If you need more than 100 watts for either a larger tank or a tank in a cold room check out this zacro reptile heat lamp that comes in at 150 watts.
Mercury vapor is the preferred type of lighting for bearded dragons because not only does it produce full spectrum light including uva and uvb rays but it also produces heat and can be used for basking.
Other options include compact fluorescent and halide.
During brumation the lights should be on for only 8 10 hours a day.
Fluorescent bulbs are the most common lighting bulbs for reptiles.
In a 2ft x2ft x2ft tank a 60 watt bulb should be enough anything smaller will be a 40 watt bulb or thereabouts.
Best uvb bulb for bearded dragons 1.
These bulbs are relatively inexpensive energy efficient and provide the proper wavelengths of uv rays to accommodate bearded dragons.
In your use of fluorescent bulbs do not use the regular ones for humans but use the ones specific for desert dwelling reptiles.
The substrate will also carry and distribute much of the heat.
Here are a few things you should know about uvb lighting.
Always use fluorescent bulbs manufactured specifically for reptiles.
There should be at least 10 hours of darkness in bearded dragon s terrarium.
This fluorescent light will provide an adequate amount of uvb for most enclosures and will last anywhere from 6 to 12 months on average.
The fluorescent fixture you choose should have a reflector built into it.
Fluorescent bulbs the use of full spectrum lighting is necessary to provide your bearded dragon with the right amount of uv radiation it needs.
Repti sun 10 0 uvb fluorescent light this is without a doubt one of the most trusted if not the most trusted uvb bulb on the market right now for bearded dragons.
What is uvb light and why is it important.
At 100 watts each one light bulb should be sufficient for heating any bearded dragon tank unless extremely large in which case you would need 2 bulbs.