Heating issue; could use some help.

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carriejoelle created the topic: Heating issue; could use some help.

Hello,

I've got a 135G tank with a heating problem that I am stumped about.

I have my heater on a thermostat - but it still goes up. I unplugged everything other than my filter (FX6) and my heater. The heat went up even though the thermostat was off. So this leads me to wonder 2 things.

1) Where should I place the thermostat probe? Currently the probe is attached to my exhaust tube on the far left side of the tank and my heater is next to the intake on the far right side. Should my intake be closer to the heater?? Perhaps it's taking too long for the heated water to reach the probe therefore it's getting too hot. Every time I try to search for correct thermostat placement I get results about tanks that have nothing to do with fish...mostly reptiles.

2) Does the FX6 produce any heat??
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Suprd71 replied the topic: Heating issue; could use some help.

Technically a powerful filter like the FX will produce heat via friction, but an average aquarium thermometer wont record the negligible difference. You are likely seeing some faulty equipment. Could be any of heater, thermostat or thermometer. The tank has nether the volume nor area to have different temperature zones like thermoclines. The FX will circulate enough that there will be little to no dif between top and bottom. I really wouldnt worry about it. The concern would be if the heater ever stuck on and temps hiked to the danger zone of mid to upper 90's. Oscar does just fine in a wide range of temps, mid 70's to high 80's. I have always kept my Oscars at an average of 81-82. Past many weeks all my tanks are mid to upper 80's, without heaters on. All fish are doing fine


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carriejoelle replied the topic: Heating issue; could use some help.

I am having a really hard time with my tank and need some advice because I am totally at a loss. The issue is heat, my tank raises about a degree or more per day and I cannot for the life of me figure out HOW!? The heater is attached to a thermostat (Inkbird ITC-306T0) typically. I thought that maybe the thermostat was faulty... so I literally unplugged my heater and the heat in the tank still went up. So then I thought it may be the lights (Zeiger Eco LED) so I turned them off and the heat still went up. So then I thought that maybe it was because the intake tube for my tank runs through the room I keep my reptiles in, so I wrapped the hose with insulation and the heat still goes up! So then I turned off my UV Sterilizer (Coralife 12x) and guess what.. the heat STILL GOES UP! The only remaining item in my tank is my filter (FX6). Does the filter create that much heat?? My tank is 135 Gallons. It takes a fair bit of heat to raise the temp from 80.0 to 81.6 degrees over a 24 hour span. I realize that the tank going up 2 degrees isn't going to kill my fish - but I seriously don't understand what is going on and it is driving me CRAZY!!!
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OFL replied the topic: Heating issue; could use some help.

I'm afraid I can't really answer your question as to why this is happening. Could it be the heats of the room during the day? Is it very hot where you live? Why don't you just completely switch off the heater and just leave the tank without any heating. Keep an eye on the temperature and see what happens. I doubt whether the temperature of the water will drop if your room is fairly warm so you won't have to worry about your fish. But it may just be a case of giving it a week to settle down and give you an indication of exactly what is going on. Oscars are perfectly okay down to around 21°C so I shouldn't worry.

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carriejoelle replied the topic: Heating issue; could use some help.

My room is only 74 degrees - and the heater is turned off. The only item that is actually turned on right now is my FX6 filter. If I had hair I'd be pulling it out.

I'm going to clean the impeller on the filter and see if maybe its just dirty or something managed to get stuck in there causing some friction..
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OFL replied the topic: Heating issue; could use some help.

It does rather seem odd that your water is rising to this temperature when the ambient temperature of the room is much lower and you haven't got any heating. It does rather strikes me as it could be your filter that is somehow heating the water. Don't suppose you've got any pipes or anything running behind the aquarium that could be causing the problem? How about the aquarium positioning, it's not in direct sunlight is it? I suppose these are things you have already ruled out but I need to ask.

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carriejoelle replied the topic: Heating issue; could use some help.

So last night I did a full clean of the filter components (The filter housing and the motor). This morning the temp has dropped from 80.8 to 80.5. I'm going to see how it goes over the next few days. If it continues to drop then I suppose the motor was the issue. I want to give it at least 72 hours to see though. I'll update this thread later.
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