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Summer Heat Got Your Fish Down?


toothless

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So, it's the middle of summer and the temps outside are pretty close to triple digits and your fish are feeling the pinch, huh? Air conditioner not running right/at all? Not to worry. You can help battle the heat for your fish very easily. Evaporation will be your friend....

When you sweat and a breeze blows across your skin, it feels cool right? *goosebumps*

Well, the same applies to your fishtanks. If you place a fan to blow across the surface of your tank, you can actually reduce the temperature up to 7-10 degrees, given the right circumstances. This also helps increase aeration by causing a ripple and the fact that at lower temps, oxygen is more available.

The fans that work the best are the little clip on fans that ar made of mostly plastic. Make sure its VERY secure before you walk away. two on a 55 gallon tank would only pull 30 watts and should help reduce heat by at least 5 degrees F. You can use one for smaller tanks.

user posted image

The way this works:

Tankwater is constantly trying to evaporate. If there is no wind to move evaporated water from near the surface, more water will not be able to evaporate. This is called stagnation. This stagnant, moist, airpocket actually acts like a greenhouse effect to trap in heat and can raise temps. If you set a fan to blow across the surface, the moist stagnant air near the surface is replaced with dryer air and allows for more, and constant, evaporation. As water is evaporating, the water left behind in the tank is left cooler. Just like when sweat evaporates from our skin...... ;)

Hope this helps someone this summer! :D

Paul

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Guest Chishower

This is usefull. I have been looking to get a little 30 gallon outdoor pond for bug, and its almost ungodly hot down here (where did the breeze go?) and I hadn't a clue on how to keep it cool enough. I would be worried about it falling in, though, so do you know of anything to get to reinforce the clamps?

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  • 9 years later...
  • Regular Member

This is a wonderful, inexpensive method! But oh man, I'd be too paranoid of a clip-on falling in and killing my little fish. I'd have to stick a fan on something nearby or get a proper-height floor fan.

(Thankfully I've not had this problem yet, because the aquarium is in a room that is almost a cave. Water temps from 65 to 75 degrees F, but almost always hovering around 70.)

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