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energy usage

  1. General Reef Discussion
    Just wondering, is there significant savings in energy usage/cost when going from pc lights to t5ho? what we have: 2x96W PC fixture, what we're looking at: 4x39W T5 HO. Our current fixture is pretty new, so unless there's a big difference energy-wise, we weren't going to switch over. t.i.a.!
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