WTB 6 48" bulbs
 

Looking for bulbs for my 6bulb 48" fixture let me know what's available and what a good bulb combo would be

Pm me

Your best to buy new bulbs, old bulbs are not very reliable.
Even if you are told they are only used 3 months, you have no way of really knowing.
T5 bulbs last 8-12 months only, then the color shifts and it is then not a healthy bulb for your reef.