yosemite sam
Active Member
I just bought 2 new bulbs two days ago for my MH setup (2 x 400w, bulbs are 20K XM bulbs), and one is having touble firing. I switched up balasts and tried each bulb in both sockets, and it's definitely the bulb. It take a few seconds to come on, while the other bulb comes right on. It also takes a bit longer to get up to full brightness once it comes on. It seems to be as bright as the other once it has warmed up, but I'm wondering if this is a problem, and I should take back the bulb. I've never had this problem before with my bulbs. Any ideas?
