Eheim Jager heater problem?
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Eheim Jager heater problem?

This is a discussion on Eheim Jager heater problem? within the Freshwater Aquarium Equipment forums, part of the Beginner Freshwater Aquarium category; --> I have a 300 watt Eheim Jager heater (with the red and blue dial). I've had it for about 9 months and within the ...

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Eheim Jager heater problem?
Old 01-15-2012, 05:42 AM   #1
Eheim Jager heater problem?

I have a 300 watt Eheim Jager heater (with the red and blue dial). I've had it for about 9 months and within the last week it went from holding its temperature of 80 degrees and then dropping to 74-76 degrees. I've tried recalibrating the heater and it still didn't change the temperature. I've also tried turning the heater up to 85-86 but the warmest the tank gets is 77 degrees.

I have a 180 gallon aquarium.

I've tried emailing Eheim but they just resent the instructions to recalibrate (which I have) and they mentioned ambient room temperature changes as well (it's about 76 degrees in the room that the tank is in)

Any help is appreciated!
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Old 01-15-2012, 08:14 AM   #2
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Is that the only heater in the tank? With a tank that size it's best to have two - one on either end (ish).

I've got 2 in my 75 gallon but it gets frigid here in the winter and we keep the heat down to 60 or 65 overnight.
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Old 01-16-2012, 08:20 AM   #3
I have two (200w / 250w) in my 60g.

I also think you should add another 250w or 300w heater.
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