I have a mix of new & used 4ft T5 aquarium bulbs along with some reflectors for diy fixtures
10$ for the new bulbs, 5$ for the used bulbs, 5$ bucks per reflector or just take lot for 60$
Mix are of Zoo med coral blue, Reef Brite 50/50, Reef Brite actinic and one Reef brite 10k iirc.
FCFS...
Parting out one of my Coralife AquaPro 3 x 150w Metal Halide fixtures. Each set has the heavy duty 150w HQI ballast (read No Odyssea!), the beautiful German reflectors, the push style double ended sockets, and 20k lamps that had about 6 months on them before being stored inside for a long time...