how to cool your tank diy style?? - The Planted Tank Forum
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post #1 of 25 (permalink) Old 06-18-2011, 04:47 AM Thread Starter
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how to cool your tank diy style??

its so freakin hot. i live in socal. my tank goes 75+ during the day heater OFF. i tried cooling my tank diy style by putting fan on top my aquarium but no use... the air hitting the water is hot anyway.

right now constantly puting ice cube from my iced water every hour or so if i remember....

any suggest?

p.s i have no air conditioner in my house lol.
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post #2 of 25 (permalink) Old 06-18-2011, 04:50 AM
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freeze water bottles and pop one of those bad boys in there every few hours. The fan should help also because its not aout cool air hiting the water surface that makes it cool, its the evaporation that cools the water off.
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post #3 of 25 (permalink) Old 06-18-2011, 05:28 AM
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This is a long shot, but if you have a cool place close by, such as a concrete floor or cold room, you could lay out some tubing on it and pump water through it in a closed loop. Kinda like an air conditioner. I don't know how effective it is, but I know with an r/o system you can coil a bunch of tubing in a heated bucket of water and it's enough to warm the water as it passes through the tubing.

How hot does it get? For most fish, up to 80F shouldn't really be an issue. I keep most of my tanks at 77-79.


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post #4 of 25 (permalink) Old 06-18-2011, 05:47 AM
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I can cool my tanks to 78 degrees when my house is 100 degrees, all with fans. I have to replace a gallon a day in each tank, but it's worth it.

The effect of evaporative cooling actually works better with warm air, as the evaporation occurs quicker, which also drops the tank cooler quicker. It's a VERY effective way of cooling. If it's not enough for your tank, get a bigger fan. I have a squirrel cage fan i bought on e_bay for 20 dollars that cools 2 20g longs down to 70 when the room is at 85+, and a tower fan turned horizontal on top of a 20g that cools just as well.

Your other options, such as floating ice packs will help for about 30 minutes maybe up to an hour, and drop the temperature a degree or two before melting and becoming part of the problem.

You could, of course buy a chiller for a few hundred dollars, but a window AC unit costs under 100 dollars usually, and works just as well (for the same cost in electricity).
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post #5 of 25 (permalink) Old 06-18-2011, 08:27 AM
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I've used frozen bottles before, and it does work. Naturally, the warmer water rises to the top, and the cooler water usually is lower down. Sometimes you can actually see a thermocline...


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post #6 of 25 (permalink) Old 06-18-2011, 09:35 AM
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I second jreich's recommendation. Frozen objects work well. I will often just rhow ice straight in because I also need to top off my water level. Also, only 75F? Mine get to 86F sometimes without a heater. :p
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post #7 of 25 (permalink) Old 06-18-2011, 01:09 PM
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I hope you've been using dechlorinated water for your ice. I also think that creating drastic temp swings, like what you're going to get by throwing ice in, is stressful on fish and 75 is not too hot for a tank.
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post #8 of 25 (permalink) Old 06-19-2011, 09:53 AM Thread Starter
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oops forgot to mentions that why i care about the high temps is because of my java moss. lol.

well i just bought some java moss and wrapped it down and "try" to make carpet out of it. and i research java moss do better in cooler water lol.... so i kinda want to speed up the process by keeping my tank cool.

i have 6 neons tetras and 4 ghost shrimps 10gallon thats about it.

guess i have to have patience to wait for these guys to form a full carpet :O till winter.
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post #9 of 25 (permalink) Old 06-19-2011, 10:14 AM
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If you ever have another tank that's has temperature as a concern, I definitely recommend christmas moss. I use it in all my tanks and it always forms a nice, thick carpet relatively quickly, despite the high temperature of the water.
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post #10 of 25 (permalink) Old 06-22-2011, 08:18 AM Thread Starter
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buy my lfs store only have java moss... and its damn cheap lol.
3.99 for like softball bunch.
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post #11 of 25 (permalink) Old 06-22-2011, 03:12 PM
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Stick your canister filter into a bucket full of dry ice. That'll lower the temp a few degrees and will last awhile as well !

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post #12 of 25 (permalink) Old 06-22-2011, 03:18 PM
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I'm trying to see how I can put a coil of tubing (for my closed loop) inside the fridge without my wife noticing it.


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post #13 of 25 (permalink) Old 06-22-2011, 06:01 PM
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rig something up peltier cooler.


edit: i didnt think they made them as a kit for aquariums, but here's one

http://www.marinedepot.com/chillers_...eprobe-ap.html

it's a peltier cooler unit for aquariums.
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post #14 of 25 (permalink) Old 06-22-2011, 09:35 PM
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Quote:
Originally Posted by sayurasem View Post
buy my lfs store only have java moss... and its damn cheap lol.
3.99 for like softball bunch.
My tank in HK is currently 86 degrees when A/C isn't running. My plants, fish, and shrimp are doing fine. The Cherry shrimp are reproducing at a high rate. The moss is doing great also.
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post #15 of 25 (permalink) Old 06-22-2011, 09:51 PM
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you should check out something called a jockey box.
http://www.beveragefactory.com/draft...ey-boxes.shtml
there used to cool keg beer by having a coil of hose run thru a cooler. should be very simple to diy.
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