View Full Version : Lifespan of metal halides?
kstallbe
12/29/2008, 02:20 PM
One year, two years? I've seen both. What do y'all think?
reefnetworth
12/29/2008, 02:40 PM
one year is appx. 2 yrs. no!
lil gramps
12/29/2008, 03:36 PM
9-12 months is what i have been told.
budget for 6 months, to be safe, though you may get another month or so out of them. When you see algae growth and other manifestations in your tank, your lights may have changed spectrum and you may need to replace them to avoid problems.
jarrett
12/29/2008, 05:56 PM
i change mine every 8-10 months i have heard you can get 12-14 months with some higher end bulbs
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