How long do you leave your lights on? - The Planted Tank Forum
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post #1 of 17 (permalink) Old 05-02-2012, 08:43 PM Thread Starter
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How long do you leave your lights on?

I have 4 T5 bulbs on 125, which I leave on 7 hours a day, but only 2 of them are on. Several web sites I have read suggested I need to leave on for 12 hours a day. Wanted to find out what others are doing.

Thanks
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post #2 of 17 (permalink) Old 05-02-2012, 08:46 PM
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I have my lights on timers, 4 hours on, 2 hour off, 4 hours on, 14 hours off


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post #3 of 17 (permalink) Old 05-02-2012, 08:48 PM
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8hrs

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post #4 of 17 (permalink) Old 05-02-2012, 08:57 PM
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7hrs... 3pm-10pm (most viewing time for me when I get home from work). I'm running 4x T5HOs over a 60G tank

I wouldn't suggest anything more than 8hrs as you might an algae bloom. Maybe someone with more knowledge can chime in about that


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Who would have thought that plants like dirt?!
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post #5 of 17 (permalink) Old 05-02-2012, 09:04 PM Thread Starter
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Quote:
Originally Posted by shinycard255 View Post
7hrs... 3pm-10pm (most viewing time for me when I get home from work). I'm running 4x T5HOs over a 60G tank

I wouldn't suggest anything more than 8hrs as you might an algae bloom. Maybe someone with more knowledge can chime in about that
Any more than 7 for me starts to cause algae problems.
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post #6 of 17 (permalink) Old 05-02-2012, 09:08 PM
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7-8 hours is plenty

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post #7 of 17 (permalink) Old 05-02-2012, 09:08 PM
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2x54 T5HO over a 75. Eleven hours total - 1.5 hours 1x54, 7 hours 2x54, 2.5 hours 1x54. Thinking of bumping it up to 12 just for increased viewing time.
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post #8 of 17 (permalink) Old 05-02-2012, 09:12 PM
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Stock twin T5's over 125l Rio. Photoperiod is between 5.5 and 7 hours depending if I'm fighting algae or not.
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post #9 of 17 (permalink) Old 05-02-2012, 09:21 PM
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12 hours...
Thats my viewing time.
I don't have high tech set ups though.


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post #10 of 17 (permalink) Old 05-02-2012, 09:29 PM
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I leave mine on from when I wake up to when I go to bed. Not saying I advise doing so, but it works well for me.

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post #11 of 17 (permalink) Old 05-02-2012, 09:48 PM
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16 hours of moonlight white leds hung 11 inches above the tank
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post #12 of 17 (permalink) Old 05-02-2012, 10:33 PM
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7hrs, 3pm-10pm.

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post #13 of 17 (permalink) Old 05-02-2012, 10:36 PM
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8-10 hours

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post #14 of 17 (permalink) Old 05-02-2012, 11:57 PM
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54w T5HO 5 hours on 55g planted tank.
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post #15 of 17 (permalink) Old 05-03-2012, 11:48 AM
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12 hrs straight on all my tanks

Algae has feelings too

Courtesy * Integrity * Perseverance * Indominable Spirit * and Self Control
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