Weird temperature question

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4D3

4D3

Plecostomus
MFK Member
Jan 21, 2013
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42
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United Kingdom
Hi,

So something weird is happening in my apartment. (all temps are in Celsius)

The ambientnt temperature of the room is 25 degrees, the thermostat on my heater is set to 26.5 degrees and it is reading 29 degrees, it is also displaying the light stating that it NOT HEATING.

The thermometer in the tank is showing 29 degrees....

How is it that my tank is so hot? Surely the maximum is should be is 26.5ish degrees since the heater is 1.5 degrees higher than ambient.

What's happening here?
 
phreeflow said:
The thermostats on most aquarium heaters nowadays are junk and are prone to failure. If you value your fish, get a separate thermostat to control your heater. Otherwise, it sounds like you need to buy a new heater
Click to expand...
Hey, if you read what I actually typed, I have an ambient thermometer in my lounge, one in my heater, and a separate one in the tank.

There is nothing wrong with the heater, as 3 days ago before I got a warm spell is keeping the temp at 26.5 steady. (ie ambient temp was 20-21,internal tank temp was 26.5, ambient temp goes up to 25 degrees, internal temp on aquarium and spider jump to 29 and the heater is showing the hold/no heating lights, so the heater is not heating) )

If you want to go down the path of blaming junk equipment, not reading the initial post etc, maybe you would like to offer a reason as to why my UNHEATED spider tank, with no water, is also reading at 29 degrees internal air temp.

So you are saying ALL of my thermometers are wrong and my heater is broken......

My heater is a top of the line German made heater, £300 govee ambient temp sensor is £100, internal digital thermometer £20..... And all the equipment is less than 6 months old...

So nah not my equipment, been keeping fish for over 2 decades, i know how to test my heaters and thermometers,and before posting ANYTHING here any sensible person test all the equipment and rule it out...... Which I did....

Sorry but I'm not buying what you are selling.
 
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Wow mate, you just came off like a total tosser! Offended by a simple yet factual reply.

It's quite basic. The numbers don't lie, providing they're accurate, which based on your explanation of the price & quality of your equipment, lets assume they are. The ambient temp in your room only has relevance because it is less than the set point of your aquarium heater. What P phreeflow is saying is that if your room is 25c, your heater is set at 26.5c and the tank temp is 29c you have a problem with your fancy expensive heaters thermostat. There is no other plausible explanation.
 
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Why ask for help if you’re going to turn around to insult them, especially since P phreeflow took time out of their day to offer assistance. Good luck getting anyone to bother answering your questions moving forward. One more name added to my ignore list…
 
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Following this thread — I've seen similar temp spikes before and always assumed it was a heater issue, even with pricier gear. Out of curiosity, has anyone tried using external smart plugs with temp sensors to cross-check or auto cut power when things go above a certain range?
 
Equipment like lighting, pumps and other devices can all generate heat which can raise your tank temperature...but of course, with all your experience you already know that. Sunlight can do the same, even nearby non-aquarium-related devices can have an effect. A sump in an enclosed stand may be a couple degrees warmer than the desired temperature.

Regardless of how expensive your equipment is, or how vast your experience may be, the simple fact is that the situation you describe is either a result of inaccurate temperature measurement...heat being generated by some source other than the tank heater...or a defective heater. There is no mysterious magic involved.

Your username rings a bell. That typically means that you fall into one of three categories:

A. You are a poster who displays a great deal of knowledge and who shares it with others in a helpful manner.

B. You are exceptionally entertaining, perhaps due in part to some exceptional tank or fish species you maintain.

C. You've proven in the past to be a jerk.


Maybe we should have a poll?
 
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