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Results 1 to 8 of 8
  1. Default lighting in aquarium

    0 Not allowed!
    I have a goldfish tank. I was using lamp ideal for aquariums but when it broken down I replaced it with a philips one 15W. When I open the lamp goldfish seem really terrified an hide behinds the plants. So I don't open it enymore. Can fish live without lamp in the tank or should I buy another lamb ideal fo aquariums? I have also an apple snail that might need light to be developed. The plants are plastic so they don't need light.

  2. #2


    0 Not allowed!
    Many goldfish tanks don't have lights - your fish does need light, but not necessarily electric lighting. Meaning, so long as he is not in the dark, regular room lighting is fine. If you remove the tank hood, the tank will get more light as well.

  3. Default

    0 Not allowed!
    Thanks! You are right that goldfish do not need electric lighting.... I try to keep the room of my tank lighted all day...

  4. #4


    1 Not allowed!
    You're all good then. The lighting over tanks is more for people to view the tanks - I would wager that most tanks are over-lit compared to the fishes native habitat.

  5. Default

    0 Not allowed!
    Does anyone know whether electric lights ideal for aquariums differ from common fluorescent lamps or not?

  6. #6


    0 Not allowed!
    It depends on the exact type of "common" bulb you have, but the short answer is that yes, they do differ.

    Aquarium lights typically have temperatures between 6,500 K (for freshwater) and 10,000 K (for marine tanks) or so. Household fluorescent lights typically are somewhere between 2,700 to 4,100 K or so. You can find fluorescent bulbs for homes of up to 5,000 K for "cool white" bulbs, but typically not beyond. Incandescent bulbs are even lower, with a range of around 2,700 to 3,300 K or so.

    So, aquarium lights do have a higher color temperature, but this is mostly for the benefit of plants and corals, not so much for the fish. The fish themselves would probably be fine with almost any type of household lights. As sheamurai said above, this is probably a case of too much lighting, rather than the specific type of light. Do you know the wattage of your previous light? How big us your tank?

  7. Default

    0 Not allowed!
    My tank is 60l and the light is a philips one 15W. Can it be harmful for my goldfish since as I said they are a bit scared when I open it. I have plastic plants who don't need light. As sheamurai correcty said goldfish don't need electric lighting when the tank is placed in a lighted room but I my room get sometimes in the dark at days so electric lighting is essential in this case.
    Last edited by nikolas; 09-04-2013 at 09:22 AM.

  8. Default

    0 Not allowed!
    The previous light was sera 15W.

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