Need help with temp.

Discussion in 'Beginner Discussions' started by CW, 24 Jan 2011.

  1. CW

    CW

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    Hi there ppl

    Can i please get some advice with temp broblems.

    Ive got 2x nemos, 1x blenny and 4x hermits.

    During the day my living room temp goes up to 27 and then the tank goes up to 28.9(was the highest so far).

    Ive got an open canopy with 4x 54w tubes.

    What can i do to get the temp down?
    I do have a ceiling fan and i left it on the whole day yesterday but it dident work mutch. Maybe about 0.5 at the most.

    I know most ppl will say a chiller is the best.
    But i was thinking, why not a aircon then.

    Then atleast it will cool me down aswell.

    Cya
     
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  3. Tremayn

    Tremayn

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    AC will help :)
     
  4. CW

    CW Thread Starter

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    Thanx.

    I also had a idee about 12v pc fans over the DSB.

    But i think the water evapuration will be even greater then.
    What do you think?

    Do you have a AC?
     
  5. marsbrat

    marsbrat

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    12V Fans shouldn't add to the evaporation. They purely suck the heat out or blow outside air back in...I have 4 of them in my canopy hood. Thinking it may not be a bad idea for the DSB as well.
     
  6. CW

    CW Thread Starter

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    Ja my canopy also have 4 x fans in. But small ones.

    Im thinking of maybe puting in two 120mm pc fans into the side panel.
    But what will be the best?
    1: Leting them suck air out
    2: Blowing air in
    3: Puting them ofer the DSB

    Cw out
     
  7. Tremayn

    Tremayn

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    Hey mate.. I actually only use my ac when its hot lol.. Fans will increase evaporation but will help to an extent. If you are going to use lots of fans then I will suggest a nice big top up reserve :) ... I would only use the fans when it is required. You could also hook up the fans to a solenoid if you had the know how :)
     
  8. Tremayn

    Tremayn

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    is your hood open on top? If you want to put 2 fans in the hood then one should blow into the hood and the other fan on the opposite side should suck the air out, so it will keep a nice flow. If your hood is closed then this will trap heat so you have to have fans IMO :)
     
  9. butcherman

    butcherman Moderator MASA Contributor

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    Fans over the DSB is the cheapest solution. It WILL increase evaporation!
    Evaporation is what cools the water.

    What heaters do you have in your tank? what are they set at?

    As for the AC both you and the tank will benifit :thumbup:
     
  10. Anemone

    Anemone

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    Fans will help. I couldn't imagine not having an AC during the summer.

    You can also adjust your lighting to be Off during the hottest times of the day.
     
    Last edited: 24 Jan 2011
  11. chas84

    chas84

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    A while ago I was wondering about having two "on-cycles" per day. Would this work? For example, have the lights on from 5am to 11am, off from 11am to 3pm, and on again from 3pm to 10pm. Would give a total lights on period of 13 hours per day. What, if any, would the effect be on the corals?
     
  12. Tobes

    Tobes Retired Moderator

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    Nope, not recommended. Rather shift the cycle to later in the day. Let the lights come on at 13:00 and switch off at 20:00 or so - or even later, say from 14:00 to 21:00 or something like that. I did that with mine. Corals don't need more than 8 hrs a day, most need less, like 5 or so.
    Just keep the cycle constant, it does not matter which time of the day you do it, but not twice :p
     
  13. rakabos

    rakabos

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    I have 2x 120mm fans over my sump. They make just the difference i need. Also have temps up to 29degrees and switching the fans on brings it down. There is definitely more evaporation but it doesnt bug me as i have plenty RO on standby to top up. Got some pics of it in my thread

    http://www.marineaquariumsa.com/showthread.php?t=19367
     
    Last edited: 24 Jan 2011
  14. alarkins

    alarkins

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    I have a similar issue and float (regularly) 2x 2l frozen solid coke bottles in the sump until I get to the temp I need (25 degrees). Manual method unfortunately but then brings the temp down slowly. Next month I will be purchasing a chiller to controll this as it is way to manual & erratic right now. I have a heater I have never used :)
     
  15. Dane

    Dane

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    A small 12v PC Fan worked fine for me.
     
  16. Tony

    Tony

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    Try running a heater slightly underated for your tank. I only run one 300w heater on my 800 litre system and it had helped a lot with my heating problems
     
  17. CW

    CW Thread Starter

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    I found out for about an AC. Its gona cost me about R5700 for one.
    So ill have to make some kind of plan with fans for now.
    Im biz with a top up tank yes.

    I think it will be done tomorow. Then ill post pics.
    But for the time being im thinking about useing pc fans for temp.

    Cya
     
  18. ShaunSwindon

    ShaunSwindon

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    I have also experienced the same problem with my 240l tank. Thing with mine is my tank is rather sealed off and the lids cover the whole top. My water runs at around 28 degrees during the day and in the mornings it drops to 24degrees.

    I thought the idea of rotating the switch on times for the lights was the best idea posted here so far but I feel the aircon idea will make the biggest difference. Just out of interest sake how much am I looking at paying for a chiller meant for a 240l tank?
     
  19. Nemos Janitor

    Nemos Janitor

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    Between R4k and R4.6k depending on the model
     
  20. ShaunSwindon

    ShaunSwindon

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    Thanks mate. Think I will try another method of keeping my tank at the same temp and rather ask Father Christmas for that this coming December :thumbup:
     
  21. CW

    CW Thread Starter

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    Haha. Ja i know what you meen man.
    Im also trying to figure out a cheaper method for keeping the tank at about 25.

    Do you have any coral in your tank?
     
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