how often I should change bulb

ifirefight

Active Member
YES you do... Rule of thumb is every 12 months for MHs..only real way to be certain is with a lux meter....however,most people dont go to that extreme.
 

strager

New Member
Thanks.
Did bulb lose anything after 12 months?
Originally Posted by ifirefight
http:///forum/post/2850835
YES you do... Rule of thumb is every 12 months for MHs..only real way to be certain is with a lux meter....however,most people dont go to that extreme.
 

ifirefight

Active Member
Originally Posted by strager
http:///forum/post/2850857
Thanks.
Did bulb lose anything after 12 months?
Yes,of course....bulbs will lose the "spectrum" of light that they are supposed to give off..hence effecting your coral growths... You CANNOT see the difference with the n aked eye...but your corals can tell for sure.
 

strager

New Member
wow. That may explain my zoos start to die.
Originally Posted by ifirefight
http:///forum/post/2850865
Yes,of course....bulbs will lose the "spectrum" of light that they are supposed to give off..hence effecting your coral growths... You CANNOT see the difference with the n aked eye...but your corals can tell for sure.
 
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