How do you keep goldfish cool in the summer? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 5 Old 06-15-2007, 01:07 AM Thread Starter
How do you keep goldfish cool in the summer?

We have a 5.5 gallon tank with two twin-tailed goldfish in it. (After we bought the goldfish we found out how big they can get and that they are going to need a much larger home very soon - oops.) We live in California and have no air conditioning, and as the weather is warming up, so is the tank water! Normally goldfish enjoy an environment around 68 degrees, so I am told, and today the temperature spiked to 80. The poor things must be suffering, but I don't know what to do to keep them cool. I have heard of chillers, but this odd-shaped, small little plastic tank cannot accommodate one, and I am also told that a chiller is quite costly.

Thanks for any advice!

Best wishes for your fishes!
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post #2 of 5 Old 06-15-2007, 01:13 AM
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use ice cubes or keep your house cool without turning on the aquarium heater. i too live in cali, in the northern region and let me tell you the valley is a difficult place to keep a tank up and running at a normal temperature without having to cough up some serious dough. but investing in a cooler is not a bad idea, maybe even a life saver(literaly), but i stick with the cubes and the air conditioner.
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post #3 of 5 Old 06-15-2007, 01:29 AM
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If you have airpumps, be sure to switch them on. Rising temperature levels will reduce the oxygen level. Goldfish are large oxygen consumers.

Two methods that might help:
1. Freeze a coke bottle filled with 2/3 volume of the water.

2. Put ice cubes in freezer bags.

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post #4 of 5 Old 06-15-2007, 10:41 AM
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I've used Polar-Pacs placed in ziploc bags too.
Sealed up they keep some air surrounding the Polar-Pac so it floats.

Acute sufferer of "GHMT"........(Gotta Have More Tanks)
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post #5 of 5 Old 06-15-2007, 11:57 AM Thread Starter
Thanks for the advice! Yes, I have an extra air stone in there in addition to the filter/aerator. They just seemed happier with the extra oxygen. I will freeze the coke bottle today.

Here's to happier goldfish! :D

Best wishes for your fishes!
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