My heater keeps shutting off

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Maxthecax created the topic: My heater keeps shutting off

I just bought a new Aquatop 450w digital heater for my 180g tank. I've had it for about 2 weeks and the heater will turn on for a while then shut off. I will then have to turn the heater back on otherwise the temperature drops to low. It says on the box that the heater will keep the water temp within 1 degree of what it is set at. I have the heater set at 80 and when the heater shits off the water often drops down around 77 before I get a chance to turn it back on. If I unplug it and plug it back in it will turn on for about 2 seconds then shut off again. Any help would be great, I just want my heater to work normally.
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Rocksor replied the topic: My heater keeps shutting off

What type of thermometer do you have in the aquarium?

Is the heater placed near the outflow of the filter?

It is working normally. Some heaters do not turn on until the water drops anywhere from 3-7F degrees below the set level. If you do not want it not to drop more than a degree, then you need a digital heater controller.

www.amazon.com/Finnex-Temperature-Controller-Digital-Heater/...TF8&qid=1435589634&sr=8-1&keywords=digital+heater+controller
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Maxthecax replied the topic: My heater keeps shutting off

I do have a digital heater and it is placed near the intake for the filter. I'm just confused because on the box it says it should stay within 1 degree but mine shuts off until I turn it back on then it will shut off again
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Rocksor replied the topic: My heater keeps shutting off

If you got it from the store, tell them it is defective and get a replacement.
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Maxthecax replied the topic: My heater keeps shutting off

I bought it off of Amazon, which I don't use very much. I'm hoping I'll be able to send it back. Then I'm thinking about getting a Eheim Jäger 300w heater. Has anyone had experience with one of those?
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Rocksor replied the topic: My heater keeps shutting off

They are pretty good, and you can calibrate them. Be aware that it is very long (~20"). I got mine off of kensfish.com for $27.
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Maxthecax replied the topic: My heater keeps shutting off

My aquarium is 24" tall so it will fit just right. Thanks for the info
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