Frequency of MH Bulb Change

[cdamiano]

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]

i used to change mine out once every 12 months.

 

[Vinny Kreyling]

After about 10 months I changed mine due to algae increases.