Those coil/compact bulbs are garbage, please get a long tube uvb asap. Use the dome for basking bulb and a ceramic heat emitter (for night time heat if needed). I recommend the Arcadia t5 12% fixture and bulb. It needs to be 12 to 15 inches from your beardie. If you continue to use that coil bulb your going to have trouble with your beardie eating, socializing and generally thriving. You can use the zoo med brand but i gave personally Had trouble out of 4 outta 4 since December so i switched all mine to Arcadia.
Karrieree will probably also check in with you, she is our in house lighting expert, just follow her advice and she can help you get it spot on.