so i just got my th fixture and my t5 ho lights for them. both the fixture and light are the t5 ho. ive never had t5s before but had them mailed. the tubes were shipped seperate from the lights. i went to install and i can hear something loose in there when i tuip the bulb end to end is this the fillament thats broke? or is my fixture faulty. i have tried to install the tubes in the fixture and they dont even flicker. so the thing bounching aroudn in there good or bad? i ordered from dr fostersmith and they are sneding me new but might be in vain if t5s alwyas have something loose in them?