Choosing the right size uvb light is very important in keeping your bearded dragon healthy.
How many lights for a bearded dragon tank.
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.
You can also get a light stand like this to accommodate bulbs in their domes above the screen top.
If you need to house 2 bulbs get a dual dome with ceramic sockets that can handle up to 100w bulbs each.
Large terrariums may need more than one bulb.
Remember smaller lizards have a bigger surface area volume ratio than an adult would this.
Get a thermostat like this and connect heating devices to it to control the temperatures.
Although it can sometimes be tricky figuring out the right uvb bulbs for your bearded dragon lighting setup your best bet is to ultimately go with one of the 4 bulbs mentioned above especially the repti sun 10 0.
Ideally the uvb bulb should span 2 3 to 3 4 the length of your tank.
Generally only one lighting bulb is required to supply much needed radiation to your bearded dragon.
Creating uvb gradient for advanced users only uvb gradient is a more advanced way to setup uvb lighting.
Best uvb bulb for bearded dragons.
During the summer months you should provide your bearded dragon with a minimum of 14 16 hours of daytime light and uv exposure and 8 10 hours of nighttime exposure.
During the winter months the light cycle should be decreased to 10 12 hours of daytime light and uv exposure and 12 14 hours of nighttime exposure.
Remember that they need the heat to aid digestion and metabolism but a good sign of overheating is constant gaping mouth open while in the cooler end of the tank.
This allows your bearded dragon to absorb beneficial uvb rays no matter where is chooses to rest sit.
Remember between every 6 to 9 months you need to change your uvb light source.
Light should be at least 6 to 8 inches away from bearded dragon for high output uvb like reptisun 10 0 t5 bonus.
How many bulbs you require depends on the configuration of your terrarium.