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  #1  
Old 10/17/2007, 04:45 PM
hypermikie hypermikie is offline
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Join Date: Feb 2006
Location: Muncie, IN
Posts: 401
Controller Users... Where do you put your probes?

Just like the title implies where do you put them?

I have an AcJr. and currently keep my PH & Temp Probe in the sump. I have been thinking about moving my temp probe to the main tank possibly in overflow.

I was thinking it might give a more accurate temp of the overall system.

My thoughts are that my sump is made of a 20g long and has a much smaller water volume. I thought it would be more greatly affected by the Skimmer pump, UV Sterilizer pump, Fuge Light, etc... whatever else one may have in there. (my retrun is external)

I have often thought the main tank water felt cooler than the sump water, but I could be wrong. I would guess with ones flow, fuge size, etc. through the sump it could vary.
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  #2  
Old 10/17/2007, 04:51 PM
Pmolan Pmolan is offline
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Join Date: Jan 2007
Location: North Jersey
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Mine are in my overflow. It hangs low enough that the lights dont interfere.
  #3  
Old 10/17/2007, 04:59 PM
SlowCobra SlowCobra is offline
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Join Date: Mar 2007
Location: Crest Hill, IL
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The water conditions in the sump and the tank should be the same.... unless your tank only turns over about once or twice an hour. All of your equipment would have to run exorbitantly hot to make an actual temp change from the time it goes from the tank overflow to the return pump.
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  #4  
Old 10/17/2007, 04:59 PM
xtrstangx xtrstangx is offline
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Location: Shawnee, Kansas
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In front of the return pump. My sump turns over in less than five minutes so pretty accurate.
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  #5  
Old 10/17/2007, 05:12 PM
Craig Lambert Craig Lambert is offline
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Join Date: Dec 2002
Location: Portland, OR
Posts: 2,676
In the sump for sure.
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  #6  
Old 10/17/2007, 05:29 PM
arts007 arts007 is offline
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Join Date: Jan 2007
Location: Illinois
Posts: 445
In the sump where the least amount of bubbles occur, bubbles can cause a mis-reading
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  #7  
Old 10/18/2007, 08:43 AM
HDAlien HDAlien is offline
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Join Date: Jul 2006
Posts: 456
Sump as well.
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