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[Suggested Interval] 9 Months [Description] Most T12 & T8 lamps lose up to 40% of their initial light output in 9 months. T5 & T5HO lamps can actually retain up to 95% of their light output up to 24 months - which makes them one of the most efficient forms of lighting for aquariums. [Task] 
Change Fluorescent Lamps
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