i have 4 - 65 watt hellolights brand 10,000k bulbs
and 4 -65 watt hellolights brand actinic 03 bulbs
all are straight pin style
they all have about 8 months of use on them and i run my lights for 8 hours a day
so thats 8 hours x 240 days =1920 hours on them
they all work fine but im sure...