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Lights in aquarium

Discussion in 'New to the Hobby Questions and Answers' started by Kiwi03, Jul 13, 2019.

  1. Kiwi03

    Kiwi03 Member

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    Do fish need lights on during the day and off during the night ? Does it matter ? I’m talking about the lights in the aquarium. I live in a basement apt so there’s not a ton of natural light during the day. There is some, but not a lot.
     
  2. Colin_T

    Colin_T Member

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    Aquarium fish do need a day and night cycle with at least 8 hours of darkness to sleep.

    Fish don't need a lot of light during the day but if you have live plants in the tank, the plants need light. Lights can be on for up to 16 hours a day but the plants need 8 hours of rest too. Most people have the lights on for about 10-12 hours a day.
     
  3. Byron

    Byron Member

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    I agree with Colin. Fish are affected significantly by light and it needs to be controlled. I have posted elsewhere on why this this and the ramifications, and can provide further information if asked. But a period of total darkness (no tank light, no ambient room light, no daylight) is essential.
     

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