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Thread: Cooling fan

  1. #1
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    Cooling fan

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    Some of you use a cooling fan to reduce tank temperature, right?
    So is it evaporative cooling or blowing the heated air under the light?
    Thanks
    thomas liew

  2. #2
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    the purpose is to the cool the lights and evaporation is unavoidable

  3. #3
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    this few days temp so low , i don't think u need fan now

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    So if air is extracted from lighthood, it will have the same effect?
    thomas liew

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    u can try and see the results

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    So most will direct the fan to blow across the water surface?
    thomas liew

  7. #7
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    for me, its blow between the water surface and lighting

  8. #8
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    me using AC fan, more powerful than DC although also much more noiser .... brought down my temp to abt 25 deg, very shiok
    -Paw here-

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    I am using a DC fan also blowing directly on the water surface underneath my lighthood, a 4-fans system which I got from Clementi C328. Not bad as it really bring down my tank temp from 31 to 27-28 degree. But it is really noisy(to the extend you feel so peaceful when you switch off the fan [] [] [] )
    The evaporation rate is terrible as I need to replenish almost 1-1.5 litres everyday. Sometimes it make me wonder will it make my house turns mouldy as there is not much ventiiation (my windows all closed till I reach home from work.)

  10. #10
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    the only negative aspect is that must really be a good boy and top up the water level everday, once went away for a week, came back and one third of the water level is gone!
    -Paw here-

  11. #11
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    if the fan is blowing directly on the surface then u will have to work harder to top up water..

  12. #12
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    I'm using 2 AC fan to cool my tank to 28~29. My tank is really hot due to the 4X36W PL tubes + 2X30W FL tubes. Also the fact that the tank is covered with a hood. It's a daily affair to top up water... about 3L a day. But this is unavoidable, less evaporation means less cooling.
    Cheers!!

    Sherwin Choo
    [email protected]

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