URFAVORITEHOBOIN Posted August 27, 2010 Share Posted August 27, 2010 Wondering which was a better choice to go with for a 5.5gal macro tank? I prefer quite a bit of blue to my lighting & wanted to knock out the lighting with one Par38 LED light. So is it worth it to sacrifice blue for a pure white led 6.7K light? These are also offered with up 90 optics... Or Will I still get good growth out of a 12K or even a 20K? That have optics levels of 40, 60 or 80. Link to comment
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