MattTVI wrote: Not all metal halides are created equal...
Bulb life varies depending on brand, the particular bulb you get, your photo period.
I thought the ARC had a PAR meter they rented out. That is the best way to tell when the bulbs need replacing, imo.
MattTVI wrote: I thought the ARC had a PAR meter they rented out.
I don't think anyone is making any money on the deal so I don't have a problem paying to use expensive equipment.donnyholland wrote: wow you have to pay to rent the par meter? My Chatt club lets us use it free... :tongue: