The Planted Tank Forum - View Single Post - Light Duration
Thread: Light Duration
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post #5 of (permalink) Old 01-13-2013, 07:43 PM
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Join Date: Nov 2010
Location: Greeley, CO
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Tank Lighting

Originally Posted by 2ToesTony View Post
I have heard 10-12 hours of light a day is good for a planted aquarium.
Is it better to have 10-12 consecutive hours, or should one break them up for example 5 on 5 off etc.

Hello Two...

Aquarium plants are tropical and used to long hours of steady daylight. I have my tank lights on timers and set for 12 hours on and 12 off. This works well for my plants. For most plants 10 to 14 hours per day is good.

I've never heard of breaks in the lighting cycle, don't think the plants would do as well, but this is just one reporter's opinion. You're the tank keeper.


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