djcerna March 4, 2009 March 4, 2009 Ron, I would switch the 10k on the 250 bulb. If you are using a single end use a 250 20K radium bulb, but if you have a dual end fixture get the 250-watt Phoenix 14000K. They will increase the POP of your corals but will have slower growth than the 10K. See if you like that look if not change the PC either to 10k to lighten or Antinics for more blue. David
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