One of these. Mine's a 55K, though. AKA daylight.  Here's a link to one, although I got mine at Home Depot. It's a 75 watt equivalent, but uses less than 50 watts, I think. It burns pretty cool, too.
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90G display tank. Kent Phos Reactor running carbon and ROWAPhos, Coralife 225 Skimmer, Typhoon 5 Stage RO/DI, 20 Gal Sump/Refugium with Chaeto/Caulerpa lit opposite daylight cycle. Coralife 2x150MH, 14K + 2x96W PC Actinics, Ecotech Vortech propeller pump, Hydor Koralia #2. |