Lighting for non co2 tank

Discussion in 'Lighting' started by billy boy, 21 Nov 2008.

  1. billy boy

    billy boy Member

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    Location:
    wick. scotland
    I am in the middle of setting up a 4 foot, non co2 tank which i am going to use a 4 foot t5 luminaire which has 3 54watt tubes, would i be able to use the 3 tubes or would i be safer just to use 2?
    the tube's i will be useing are 2 Osram Lumilux 880 and one Sylvania Grolux, oh and the tank is 19 inch deep.
    As for ferts, i was planning to use PMDD+PO4

    cheers billy boy
     
  2. billy boy

    billy boy Member

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    Location:
    wick. scotland
    Just what i was thinking, thanks for all your replys,I'll go with the 3 then :rolleyes:
     
  3. GreenNeedle

    GreenNeedle Member

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    patience doesn't cost anything billy.

    18 minutes isn't a long time to wait on forums which is how long you took to reply to your own question.

    I would suggest (but others may disagree) to go absolutely no higher than 1WPG with T5 lighting on a non CO2 tank!!!

    And it is no good people asking how much light over a 4ft tank. We need the volume not the measurement there are many different dimensions for a tank and some 4fts are 1ft tall whereas others are 2ft. some are 1ft depth and others 2ft. literage or US gallons is always the best way.

    Hence I cannot do a calculation of WPG that you actually have as I do not know your volume. If it is a 55USG then I would stay on 1 light, not 2 and definately not 3

    AC
     
  4. Luketendo

    Luketendo Member

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    SuperColey it was 1 day and 18 minutes. :lol:
     
  5. GreenNeedle

    GreenNeedle Member

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    I take it back. you were patient. lol :oops:

    Hope my answer apart from the moany bits helped.

    AC
     
  6. billy boy

    billy boy Member

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    Location:
    wick. scotland
    Thats ok lol, At least you took the time to reply :) I am starting to get the feeling that this forum is just for more techical question's and not dolly dimple ones that i need to ask.

    Not to worry, there's always google :lol:
     
  7. altaaffe

    altaaffe Member

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    Thornhill, Egremont, Cumbria
    Nah, they're really good here Billy, I suspect like myself it's a busy time of the year for a lot of people.

    But they've asnwered my dollie dimple questions a plenty in the past :D

    I've got a 180l with 60w of T8 that is going OK (probably works out at 1.5 WPG) but is dosed with trace and the occasional TPN. With lower flow & no CO2 I do get small bursts of BBA but treat them locally with Excel.

    As with Supercoley, I definitely wouldn't do 3 - I suspect you would be just asking for algae troubles.
     

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