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View Full Version : Frequency of MH Bulb Change

cdamiano
02/23/2008, 01:38 PM
For those of you who have MH lighting, how often do you change your bulbs? I have found articles that recommend anywhere from 8-12 months.
onegreenray
02/23/2008, 02:21 PM
i used to change mine out once every 12 months.
Vinny Kreyling
02/23/2008, 07:34 PM
After about 10 months I changed mine due to algae increases.:(