Thread: how many hours a day for metal halides?
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Old 06-22-2009, 05:53 PM
burgerchow burgerchow is offline
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Quote:
Originally Posted by xtreme View Post
Check out this thread for peoples opions on photoperiods. I think most people run theres between 6 and 8 hours a day. Personally my 250w MH is on for 7 hrs a day.

http://www.canreef.com/vbulletin/showthread.php?t=51820
thanks. I'll think I'll run 6 hrs a day
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