lavoisier
Valuable Member
I have read conflicting advice over the years on how often to change MH bulbs. I have 3 400w MH fixtures. Do I have to change them every 6 months or can they provide quality light for 2 years? Thanks for your response.
Changing MH bulbs
- Thread starter lavoisier
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Sea MunnKey
Valuable Member
Majority of MH bulbs have at least a 1 year use of intensity.
Captain Quint
Plank Owner of the Orca
I never ran over 1-year with some brands being more of a 6-month bulb.
When they start to diminish their optimal life your system will develop some hair algae which is a pretty good indicator IMHO.
When they start to diminish their optimal life your system will develop some hair algae which is a pretty good indicator IMHO.
Are you over driving them? If not, then they will last a year. Some will last even longer, but this is brand specific.
Which ones do you have? What ballasts are you using with them?
Which ones do you have? What ballasts are you using with them?
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