Guess it depends on the level of care the store wishes to provide. One store here in Calgary is even running a solaris led on one of their tanks. A few here run a mix of lighting depending on the coral in the tank, halides for the sps tanks and T5s or VHO florescent for the lps and softie tanks.
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260g mixed reef, 105g sump, water blaster 7000 return, Bubble King SM 300 skimmer, Aqua Controller Jr, 4 radions, 3 Tunze 6055s,1 tunze 6065, 2 Vortech MP40s, Vortech MP20, Tunze ATO, GHL SA2 doser, 2 TLF reactors (1 carbon, 1 rowa). http://www.canreef.com/vbulletin/showthread.php?t=50034 . Tank Video here http://www.vimeo.com/2304609 and here http://www.vimeo.com/16591694
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