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upgraded lighting

  1. General Reef Discussion
    I have a 90 gallon set up now with a 20 gallon sump. For lighting I have a 4x54w T5 HO fixture. I've been considering Metal halide and I just can not make up my mind. I am also considering adding a fuge to my system. I continue to have nitrates even though I have a protein skimmer, plenty of...
  2. General Reef Discussion
    So i currently have two 10 watt cfl 50/50 bulbs. I'm upgrading to a 72 watt quad t5HO. Does lightin affect coraline alage and does coraline have stages or somthing becuase my tank has this deep red alage growing in some places and green algea growing in other places and macro algea growing on...
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