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Thread: Water heaters

  1. #1

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    Default Water heaters


    0 Not allowed!
    Hi, while not quiet a aquarium question, but related to their water heaaters.
    Question; I need to heat a 200lt drum of water in winter to about 20C (68F).
    Potential problem is when I drain the warmed water out the heater will be exposed to the air for a short while and then hit with cold water around 10C or below (50F).
    I have been told this will cause the heater to blow up.
    Any suggestions.

  2. #2

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    Could you turn off the heater while emptying and re-filling ?

    That would help with the heater being exposed to the air, not too sure about the temp difference once it's re-filled
    If you take your time to do the research FIRST, you can successfully set-up and keep ANY type of aquarium with ease.
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  3. #3

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    what is your application (ie what are you trying to do, big-picture)? I don't think a traditional aquarium heater is what you want for this situation. Other heating options may be more robust.
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  4. #4

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    I agree with Brhino.
    I'd be looking at a submersible heater for a stock tank.
    Even with one of those, turn it off if you will be draining the barrel.

  5. #5

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    With heaters if they gonna be exposed to the air or a sudden temp change, the advice I was always given was to unplug the heater and let it cool down first. I usually unplug the heaters around half hour before I do any water change.

    For heating water in a drum, a submersible heater would be good. Adding a small powerhead for water movement would be good too. Would help to mix the hot and cold water and avoid any hot/cold zones.

  6. #6

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    Try a stealth heater, it's a submersible heater that turns off automatically when it's out of water, and made out of shatter proof material.

  7. #7

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    Quote Originally Posted by Nautilus29
    Try a stealth heater, it's a submersible heater that turns off automatically when it's out of water, and made out of shatter proof material.
    Pick your poisin http://tinyurl.com/2ec2uns

  8. #8

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    Quote Originally Posted by johndoe222
    .
    Thanks for that info.
    Basically what I am trying to do on the cheep is heat water for my orchids in winter.
    My rainwater tank outside get down to 6 to 10C in winter and it is far to cold for my orchids when I water.
    They are all in a greenhouse set at a minimum of 17C.
    Looked at hot-water tanks but cheapest I can find in Australia is AU$650 + fittings.
    I basically need to have the water around 20C and need about 150 to 300 Lt per watering day.
    A lot of money for such a simple thing needing to do.

  9. #9

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    This may be expecting a tank heater to do just a bit too much. They are used to maintain heat, not heat from ice cold up. I would check into pond submersible heaters and see if you can find one that's reasonable.

  10. #10

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    Livestock trough heater. You should still unplug it if you're emptying the tank, but it can withstand 'drying' out. Our horses toss ours out of the troughs periodically...

    http://www.deanbennett.com/livestock-tankheaters.htm

    We use the floating stock tank heater...it's 1/2 way down the page.
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