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Well, my refugium is a 45 gallon tank(made into a sump). So, i assume one or two of these 26 watt cfl spotlights is enough? So, everyone just runs these when the main light is off? some light will get into the refugium when the main lights are on, but not lots and no sunlight gets into the room containing the system.
In regards to the mangroves, i don't have any easy way to install a metal halide setup. At least not my pendant, unless i can mount it sideways or something. Should i attempt this? Or would a another 26watt cfl bulb setup work? Or does mangroves require a lot more light since it is like a tree? What kind of light running time? In the wild i guess they wouldn't get any light at night.....lol.....
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