Up to 85

I haven't found the stick-on thermometers to be very accurate. I use the ones with the suction cups in all my tanks. They're really cheap, maybe you should pick one up.:)
 
Ok. I just checked with three different thermometers. One is a digital TDS meter/thermo. That one is reading 27 celsius(80)
And the other is a meat thermometer that is also reading 80 on the dot.
The other is a regular aquarium suction cup that is reading 82, the same as the stick on.
I think the digital is the one that I trust the most and its at 80 so I think im good.
 
I would say yes the tank is probably about 2 degrees cooler than what the sticky says IME. You can float some ice cubes or set a fan blowing across the top of the water. I always throw in an airstone (if you don't have one running) just to get the surface moving a little bit to keep the cooler surface water to flow througout the tank. You don't have anywhere else you could move the tank to, even across the room?
 
I would say yes the tank is probably about 2 degrees cooler than what the sticky says IME. You can float some ice cubes or set a fan blowing across the top of the water. I always throw in an airstone (if you don't have one running) just to get the surface moving a little bit to keep the cooler surface water to flow througout the tank. You don't have anywhere else you could move the tank to, even across the room?

I could, but its a 90 and a pain to move. I would have to empty most of it and have someone help me slide it
 
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higher temps= higher metabolism, more need for food, potentially more aggression. so step up the water changes also.

if it's 80 that sounds fine. mine are at 78, and i can definitely feel the heat coming off the tank if i put my face near it-- the house fluctuates between 62 and 66 (intelligent thermostat-- i don't heat the house as much during the day when there's nobody home). i lose > 1" of water to evaporation every week, which is fine, as I know that it's going into the house. the humidity in the house is much improved over previous fishless winters. my electric bill is noticeably higher though with all these 200-300w heaters plugged in. gotta transition to white cloud mountain minnows or something :)
 
I keep the discus at 82-84 al the time, I would enjoy that problem in the room where they are.
 
I prefer to keep my africans around 76 - 78. You're going to have increased metabolic activity (therefore waste therefore nitrates) and aggression at higher temps. A Chiller would be great, equally floating ice cubes in a plastic back may be a good idea too, or a fan, or all three.
 
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