Dont think anyone in the club uses 175 screw in bulbs.
175 Watt - MH Lamps they appear to start around 59$ which isn't a bad price at all. Used bulbs are going to be off spectrum and the PAR ratings will decreased.
Be careful about using a cracked bulb. They can crack and work, but the actual glass provides a layer that keeps harmful UV rays from hurting your stock. A guy in ATL lost tons of coral on one side of his tank due to a cracked bulb.