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Old 10-08-2011, 12:52 PM   #11
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i would change them around the same time...not too far apart from the others simply so you can remember how old they are and when to change them next time. i mean, changing one here and one there will get confusing.

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Old 10-14-2011, 07:09 PM   #12
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Originally Posted by carey
I changed out 8 bulbs and waited a few days and then added the other 4. I also cut back my lighting schedule to make sure I didn't bleach out any corals.
How many hours per day?

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Old 10-15-2011, 10:35 AM   #13
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I went from whites on for 10 hours to only 6 hours then upped it to 8 hours over the course of a few weeks. All my corals did fine for the transisition too. I have now ended up with blues on at 10am then whites on at 12 noon. Whites off at 8pm and blues go off at 10 pm. I haven't tried the 2 hour blue photo phase before and so far my corals are doing the same as when I had the whites on for 10 hours.

180g Reef - 60g Rimless Reef -90G FOWLR- 125g Malawi Cichlids- 40b REEF- 34g Fresh Planted-working on- 20L FOWLR- working on
I have a mix of many different saltwater fish amongst my tanks, but I love my Tangs most of all.
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light, lights

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