Natural Lighting

Discussion in 'Lighting' started by Lisa_Perry75, 23 Mar 2010.

  1. Lisa_Perry75

    Lisa_Perry75 Member

    Messages:
    778
    Location:
    Southampton
    In grand designs I've seen people use light tubes to light their houses for free. Is it ever possible to use natural daylight to light a tank without having algae problems?
     
  2. Garuf

    Garuf Member

    Messages:
    4,959
    Location:
    Leeds.
    Amanos big tank uses them. I think the issue is the lack of stability, the lgiht fluctuates and algae gets a hold. I've seen a reef lit with daylight and nothing else but since finding it I've never been able to find the thread with the link in it.

    Light tubes aren't favoured by many because what you gain in free light you then have to make up with for heating and you also have long tubes through otherwise usable space. They're also only a real option in bungalow or single floored homes as the practicalities of running the tube through a whole story sort of negate any solar gain.
     
  3. sanj

    sanj Member

    Messages:
    1,506
    Location:
    Coventry, UK
    Diana Walstead does use natural light in her aquariums as well as a low level of tube lighting.
     
  4. tomsteer

    tomsteer Member

    Messages:
    48
    Location:
    Fife, Scotland
    I would think you would have algae problems but it would be a nice money saver
     
  5. Garuf

    Garuf Member

    Messages:
    4,959
    Location:
    Leeds.
  6. LondonDragon

    LondonDragon Administrator Staff Member

    Messages:
    10,289
    Location:
    London
    Best one I seen was the guy that had a Marine tank outside the house in the garden like a pond, tank was also covered in glass.
     
  7. Lisa_Perry75

    Lisa_Perry75 Member

    Messages:
    778
    Location:
    Southampton
    Thanks for the link Garuf. Nice to see some mariners following the same principles as us. Not totally 'out of the matrix' yet though, as ceg says.
     
  8. plantbrain

    plantbrain Expert

    Messages:
    1,949
    If you go to garden centers and nurseries, you'll note they use shade cloth, so does Tropica and all aquatic plant growers.

    This adjust the sunlight intensity, I use about 10% shade cloth for outdoor culture, this is about 150-200micromols at the top for where I live typically. Likely more seasonal variation in the UK for light.

    So it can be used very well as long as you adjust the shading.
    Frosted glass etc can be used also, metal screening in layers, inserts etc.
    Adding metal screen inside the fixtures works well for hobbyists, for sunlight, the above suggestions work very well.

    Regards,
    Tom Barr
     
  9. LondonDragon

    LondonDragon Administrator Staff Member

    Messages:
    10,289
    Location:
    London
  10. Lisa_Perry75

    Lisa_Perry75 Member

    Messages:
    778
    Location:
    Southampton
    Thanks guys :)
     

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