Length Of Time - Full/blue Lights

Discussion in 'Lighting' started by nukeboot, Aug 26, 2017.

  1. nukeboot

    nukebootValued MemberMember

    Messages:
    83
    Location:
    Western NC
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    +14
    Experience:
    More than 10 years
    I have a fixture with the following details on my 10-Gallon, planted tank:

    Lumen: 1100
    LEDs: 22x0.50W
    Config: 19x6500K, 3x Actinic 460nm

    I understand that the actinic lights will keep the fish awake and continue to provide
    photosynthesis.

    I'm currently running full lights for 7 hours, followed by 5 hours of blue lights.

    My simple math tells me that I'm still under 8 hours of real total light given the small
    wattage total of just the blue lights.

    Is this too much and is there anything else I should consider?

    Thanks
     
    Last edited: Aug 26, 2017
  2. Cheesearmada

    CheesearmadaValued MemberMember

    Messages:
    482
    Gender:
    Male
    Location:
    MN
    Ratings:
    +238
    Experience:
    5 to 10 years
    First off look at your plants and aquarium and ask yourself these questions.

    Are my plants healthy?
    How much algae is there?
    Are my fish doing well?

    If the plants are healthy and thriving as will as algae growth is minimal and your fish are doing well you have the correct lighting schedule. There is really no right or wrong answer to this question. Listen to what your tank is telling you.
     
  3. OP
    OP
    nukeboot

    nukebootValued MemberMember

    Messages:
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    Location:
    Western NC
    Ratings:
    +14
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    More than 10 years
    I should have added that the fixture is new, so I'm trying to start off on the right foot.
     
  4. Culprit

    CulpritFishlore VIPMember

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    Whoa whoa whoa. Actnic lights should only be for saltwater. Plants do not use the blue spectrum at all for lighting.

    If you are using it for a moonlight then it should be fine, but remember fish need to sleep too. I would have your full lights on for 8 hours during the day (buy one of those cheap timers at walmart), then have your moonlights turn on for an hour before you go to bed so you can see your fish. Just say you go to bed at 10. If it was me, I would turn full lights on at 1 in the afternoon, run them for 8 hours until 9, and then run moonlights for an hour while you go to bed.

    Or I would turn on my lights at 7 or 8 in the morning so I see them when I wake up, and then turn them off after 8 hours, then before you go to bed have the moonlights running for an hour.
     
  5. Jocelyn Adelman

    Jocelyn AdelmanFishlore VIPMember

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    Agreed with culprit... right now you have it for seven hrs regular lighting, 5 hrs super low lighting (it doesn't add up to 8... it's 7 plus 5 more). The extra 5 of blue is going to get you into trouble.
    I would keep the blue off unless you are using to to view them for a short period.
     
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