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- Sep 20, 2019
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I am setting up a 75 gallon sps reef using the brs hybrid system. Tank measures 36x24x19. I planned on doing 2 T5 fixtures front and back for fill lighting. My questions is would 1 XR30 g4 or 2 XR15 be the best led option? I can mount the lights as high off the tank as needed. I can use diffusers or not use them. Need help Thank you very much for taking the time to help me out.