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Chiller reccomendations?

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Chiller reccomendations? <emorbius1 05-08-2006
Posted by Wayne Sallee on May 11, 2006, 10:28 am
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I've not found 8 degree temp swings in a day to be
stressful, but that's pretty bad for a heater to swing
that much.

Wayne Sallee
Wayne's Pets
Wayne@WaynesPets.com


kim gross wrote on 5/9/2006 11:53 PM:
> Thomas Bartkus wrote:
>>
>>
>>
>>>> I'm starting to look into buying one. Have a 210 reef tank.
>>>> Also has anyone tried using them with an aquacontroller
>>>> instead of the built in thermostat? I'd like to really notch
>>>> in a stable temperature.
>>>
>>> Why are you so concerned with "stable temperatures", Bob?
>>>
>>> It is well known the water temperatures on the reef
>>> varies A LOT during the year... Your animals are well
>>> adapted to varying salinity and temperatures common on
>>> all reefs they come from.
>>>
>>> If you peak over the average couple of days during
>>> the course of year nothing bad will happen...
>>
>>
>> I'm not speaking for Bob. I'm an intruder here.
>>
>> My concern would be the temperature swings over the course of an hour
>> rather
>> than the course of a year! The term is hysteresis and typical cheap
>> thermostat mechanisms cause a lot of it. The heater doesn't come on
>> until
>> the temperature is 4 degrees too low and then it doesn't quit until the
>> temperature is 4 degrees above the setpoint. All in all in an acceptable
>> range, perhaps, but how fast do temperatures swing on a tropical
>> reef? How
>> fast in a 6 gal. nanoreef?
>>
>> I don't know the answer to that question but I would like to!
>> I *suspect* that temperature swing (hysteresis!) in a nanoreef can be
>> rather
>> extraodinary and stressful to the inhabitants. A serious thermostat
>> control
>> may be of benefit.
>>
>> But then - I don't know ;-)
>> Thomas Bartkus
>>
>>
> You will find that in a normal aquarium temp control setup you have
> much less than a 8 degree swing. Most systems that I have worked with
> have less than a 2 degree swing. Yes home thermostates do have a much
> wider range, just because it is more economical to change a few degrees
> when you turn on your furnance or AC rather than just turn on for few
> seconds to change your room temp a 1/2 degree.
>
> Kim

Posted by on May 13, 2006, 8:51 pm
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>
>I'm not speaking for Bob. I'm an intruder here.
>
>My concern would be the temperature swings over the course of an hour rather
>than the course of a year! The term is hysteresis and typical cheap
>thermostat mechanisms cause a lot of it. The heater doesn't come on until
>the temperature is 4 degrees too low and then it doesn't quit until the
>temperature is 4 degrees above the setpoint. All in all in an acceptable
>range, perhaps, but how fast do temperatures swing on a tropical reef? How
>fast in a 6 gal. nanoreef?
>
>I don't know the answer to that question but I would like to!
>I *suspect* that temperature swing (hysteresis!) in a nanoreef can be rather
>extraodinary and stressful to the inhabitants. A serious thermostat control
>may be of benefit.
>
>But then - I don't know ;-)
>Thomas Bartkus
>
>

You are correct. It's the temperature swings in a few hours that bother
me (here in tidewater Va.) I use an aquacontroller jr so the thermostat isn't
much of a problem. The problem is when the apt gets up to 80 degrees and the
tank pushes 85. I have the hood fans and a sump fan tied into the
aquacontroler but they can't deal with that much heat. Guess I'll just have to
keep the AC on in the apt until I can spring for the chiller.

Bob


Posted by William Marsh on May 9, 2006, 7:24 pm
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Hi Bob: I have a Artica 1/5 hp hooked up to my 180, Their
recomendations and seems to be working great. Has a built in Thermostat
that holds it within 2 Deg. Not noisey but I have it plumbed tru the wall
to the Garage. So far I am happy with it and I don't have to run my house
AC so low to keep the temp down.
Bill
>
> I'm starting to look into buying one. Have a 210 reef tank. Also has
> anyone
> tried using them with an aquacontroller instead of the built in
> thermostat? I'd
> like to really notch in a stable temperature.
>
> Thanks;
>
> Bob
>
>
>



Posted by on May 13, 2006, 8:47 pm
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>Hi Bob: I have a Artica 1/5 hp hooked up to my 180, Their
>recomendations and seems to be working great. Has a built in Thermostat
>that holds it within 2 Deg. Not noisey but I have it plumbed tru the wall
>to the Garage. So far I am happy with it and I don't have to run my house
>AC so low to keep the temp down.
> Bill
>>
>> I'm starting to look into buying one. Have a 210 reef tank. Also has
>> anyone
>> tried using them with an aquacontroller instead of the built in
>> thermostat? I'd
>> like to really notch in a stable temperature.
>>
>> Thanks;
>>
>> Bob
>

Thanks for the advice...I was thinking of an artica for my 210 and
thought I would need a 1/3 hp. Maybe I can get by with less. Until I have the
money will just have to keep the AC in the apt down. I do use an aquacontroller
jr on my system and wonder if the artica can be run off of that since you can
control it to less then a degree?

Bob


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