Some MH ?'s

garvondavis14

New member
whats up guys. i just have a couple questions. first of all, i'm running se 250w 10k EVC on electronic EVC ballasts. i was just wondering if anyone knows what the lifespan of the bulbs usually are...before the PAR goes to crap.

Hmm..maybe i should mention that I run them about 4 hours a day.

thanks
ryan
 
I'd say you are looking at more like 2 + years. I run my MH's for 12 hors a day and only change them every 10 months. If you only run them 4 hours they will last a long time.
 
I run mine 6 hours a day for 8 months. I could realistically go 10 months, but better safe than sorry. I don't want a shift in color or par. I keep the old bulbs for backup, you just never know.
 
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