The coil UVB is no good here is some info on that subject Which
UVB light should I use?
The best
UVB light is a ReptiSun 10.0 fluorescent tube (Or Arcardia 12% in the UK). Compact or coil bulbs do not emit the proper amount of
UVB light for a bearded dragon, and should not be used. Other brands, such as the Zilla Desert Series and ReptiGlo have been known to cause eye problems and other health issues with bearded dragons, and should be avoided. The reason that some UVB lights (Zilla, ReptiGlo, coils/compacts, ect.) are considered dangerous is because the wavelength of UVB that they emit is shorter and more intense than the wavelength of the "safe" lights (ReptiSun, Arcadia).
UVB lights should be replaced every 6 months.
**Note: Fluorescent light bulbs contain mercury, so you shouldn't throw away your used ReptiSuns. Take them to a facility that will dispose of them for you. Some hardware stores such as Home Depot may take your used bulbs for you. This could be the reason for the wanting out glass surfing
Karrie