Tank Getting Too Hot?

  • We are currently upgrading MFK. thanks! -neo
Aiming a computer fan accross the top of the water will greatly help reduce help and create more surface agitation thus helping the water recive more DO.
 
I keep some of my tanks set on 84F for younger fish that I feed a lot. You ain't kidding about the heat down here. I'm in Tifton, GA and we get hot down here!
 
Yeh I had heard about how warmer water didnt have as much oxygen in it so I put 2 pretty large airstones in their when setting it up and ended up adding an extra filter so now I have around 90-100 gallons of filtering capacity in a 55 gal tank. I know the airstones help create oxygen but what about the extra filter isnt that helping w/the Oxygen levels too or not so much?
 
Oxygen exchange take place at the surface of the water. That's how airstones add O2, they break the surface. Filters do the same.
 
It depends. Does your filter have a diffuser? Most of the time, filters help with gas exchange by surface agitation. Overfiltration is never a bad thing so leave it there. You might get an algae bloom if your tank is exposed to a lot of sunlight, so be careful to clean really well and feed lightly. I just went through a horrible bloom that took a ton of WCs and micron polishing to finally clear up.
 
Its not really exposed to too much direct sunlight bc of the blinds, they do a pretty good job of not letting light in between each one but the heat still finds its way through.
 
Your fish are fine. I keep my tanks around 84-86 degrees especially the grow outs. I'm sure the water in SA/CA tops that. Like previously posted you could float some bottles of frozen water in the tank if it would make you feel better.
 
at those temperatures my cichlids are insanely aggressive. To lower the temp in extreme heat I freeze water in pop bottles. put the covers on and put them in the tank. not to many though, to many WILL lower the temp to fast
 
I would ptu maybe `1 or 2, but you could tie them down so a water current dispurses the coolness throughout the tank, not just at the surface.
 
Like MM stated, higher temp water will hold less DO. So make sure you have a lot of surface agitation. The oxygenation process depends on the surface area of the water/air boundary. Having ripples will greatly increase the reaction cross-section. You will also want to make sure you don't have any ammonia or nitrite present. Adding stress (and toxicity) to your already stressed fish can be bad.

I've had heaters go nuts and crank tank temps into the mid-high 90s before. My haitiensis seemed to enjoy it. The bristlenose pleco did not. The haitiensis greatly appreciated the corpse for lunch, tho :P

You can try to lower the temp by doing water changes and putting colder water back into the tank. But be careful, don't try to drop the temp by too much. Blowing a fan over the tank can help, but if the ambient room temp and humidity levels are high, it won't help much. You could also use frozen plastic 2L coke bottles (full of water, not coke :P ). But you still have to keep an eye on the temp drop.
 
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