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m50177
05/31/2007, 12:01 AM
i have 2 150 watt coralife lights with 7 month old 14000 k bulbs is it time to replace or do i have some time thanks

reefnetworth
05/31/2007, 05:36 AM
i replace mine about every 6 months or so. when your colors fade out or dont seem as bright. some more expensive bulbs have disclaimers of 10,000 hours, which is roughly a year. But, that depends on your photoperiod/hrs used per day. hope that helps, have a great day! :)
JDM :cool: