How Many Hours Should I Have My Light On?

Cherie G

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Good morning all!
I had a question about how long I should be leaving my aquarium light on for it to be beneficial for my plants? I have a 29 gallon tank planted with java ferns, anubias, vals & crypts. The bulb I have in there is a Flora-Glo 20 watt T8. Right now I have the timer set to keep the light on for 6 hours. Thanks!!
 

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Well, my lights are not timed or scheduled, but I try to get them on at 8:00 and turned to blue after 8:00 at night.
I would say mine are on for ten hours, that's a bit long, which is why I will be getting a timer.
 

-Mak-

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6 is good, I would try not to exceed 8
 

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