How long should I leave each light on?

Discussion in 'Reef Lighting' started by Coasterofluv, Jan 9, 2013.

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  1. Daniel072

    Daniel072 Giant Squid

    May 30, 2008
    Mine turn on about 11ish and run until 8ish. This give the fish time to get the ambient light slowly so they aren't being startled with the lights just turning on. I don't run actinics or I would have those turn on first though.