Quote:
Originally Posted by alazandv
I change my T-5 every 18-24 months. Usually they fail after 24 months anyway and have to be replaced. Remember not to change all the bulbs at once but stretch it over a period of few weeks. I use sharpie to mark the bulbs that were already replaced so that I don't replace the bulbs I just changed couple of weeks earlier and leave the old ones in there.
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really? stretching it out works better, i though that messes up the ligt spectrum