Comments for this article (4)

• Ecoxotic says:

  11.20.2010 at 10:48 am

  Or you can use LEDs and never have to worry about your corals needing sunglasses. 😉
• Mark Callahan says:

  11.20.2010 at 1:49 pm

  This is true…but you’d still have to acclimate your corals the first time you setup your LEDs…! (then never again)
• Byron says:

  01.21.2011 at 3:51 pm

  Mark, how long do you leave the lights turned on for in your tank? Eight hours? Ten hours? 12 hours? How many hours a day do you keep the lights on? Just curious.
• Mark Callahan says:

  01.22.2011 at 9:14 am

  Actinics on for 12 hrs, halides on for 7

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