If all else fails, give the light an extra few minutes before trying to re-fire it. Can sometimes take 5-10 minutes.
Rusty Trichome Reviewed by Rusty Trichome on . HPS won't ignite As the title says it appears my HPS bulb won't ignite. All I see is a blue light with what looks to be something arcing in the arc tube. One end is orange and the other end is not lit, in the middle is the blue light that appears to be arcing in there. I've swapped it out in the mean time for my MH conversion bulb. My plants missed out on about an h our of light. I've set the timer back an hour to compensate for the time missed. Do you think this is going to freak my plants out. I'm Rating: 5