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Old 08-03-2011, 4:03 PM   #1
mahimahi mahimahi is offline
 
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Temperature issue

My tank doesn't even have a heater in it and it's 84 degrees! Any ideas how to cool it down without a chiller?

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Old 08-03-2011, 4:05 PM   #2
cr500_af cr500_af is offline
 
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1. Fans blowing across surface of water (sump and/or display)
2. If all else fais, freeze water in plastic bottles and float one at a time.

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Old 08-03-2011, 4:08 PM   #3
chefrepo chefrepo is offline
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You could use a ziploc with ice in it or if you have any bottles of water frozen you could put a couple in the sump. A small clip on fan blowing across the top will help also. The one thing you want to do is bring it down slowly.

Do you know what caused the temp to go up that high?

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Old 08-03-2011, 4:14 PM   #4
Hnguyen Hnguyen is offline
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http://www.aquacave.com/4-row-aquari...rfan-3263.html

works really well. I use that along with a 1/10 hp chiller and it keeps my tank at 77 all day. doesn't even run much. Without the chiller this fan keeps my tank at 80 when my MH's are on.
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Old 08-03-2011, 5:02 PM   #5
Smallblock Smallblock is offline
 
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I use a ten inch box fan mounted in my sump. it hangs from the top directly pointed over the water in the sump. I have in on a timer so when the white lights come on the fan kicks on. I keep a pretty constant 79-80 degrees with it. The draw back to using a fan is the increase in evaporation. I get about a gallon or more a day of evap with the fan on. Only about a 1/2 gallon if that with the fan off.

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Old 08-03-2011, 5:15 PM   #6
alcatoe alcatoe is offline
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If u have glass hoods, take off and you will prob drop 5-10 degrees. Add fans blowing across water. If have stand built over top, add intake and exhaust fans - see my past post on this. Turn your ac on 78 and leave it there. Close blinds on windows close by.

Good luck!
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Old 08-03-2011, 5:24 PM   #7
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make sure if you're using fans you have an auto top off or watch it closely as you're evaporating water a lot faster.
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Old 08-03-2011, 5:48 PM   #8
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Quote:
Originally Posted by Oz View Post
make sure if you're using fans you have an auto top off or watch it closely as you're evaporating water a lot faster.
+1

ATO is a must IMHO

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Old 08-03-2011, 6:13 PM   #9
hud3339 hud3339 is offline
 
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He has a 14gallon biocube, not sure how to put a fan on there

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Old 08-03-2011, 7:32 PM   #10
mahimahi mahimahi is offline
 
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I think I'll try ice thanks!

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Old 08-03-2011, 7:44 PM   #11
Hnguyen Hnguyen is offline
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He has a 14gallon biocube, not sure how to put a fan on there
I drilled a 3" hole on the feeding led of my old 12g nano and hooked a computer fan to it then ran the wires inside the hood to the back. It worked great.


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Old 08-03-2011, 8:25 PM   #12
JeffMuse JeffMuse is offline
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Do you have a submersible pump? Check to see if it is running properly as it may be putting off a lot of heat inside the system.

Also, check out the heaters periodically... sometimes they can malfunction and raise the temps in the tank.

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Old 08-03-2011, 9:06 PM   #13
Hnguyen Hnguyen is offline
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Good point Jeffmuse!! If it's the 14g biocube and your using stock pump. Pull it out and replace it with a maxijet 1200. I did that in my nano and it dropped the temp about 2 degrees.


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Old 08-04-2011, 3:20 PM   #14
mahimahi mahimahi is offline
 
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Last night my tank was so hot my hogfish was sitting in the rock, I was afraid he was goin to die so I started looking at the pump. Well that thing was so clogged up that it was heating up the tank a ton more so i cleaned it for about 30 minutes. well my tank is now 78 degrees and my hogfish is swimming around and eating like no tomorrow!

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Old 08-04-2011, 3:29 PM   #15
Budsreef Budsreef is offline
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I agree with Hnguyen that you should replace the pump if it is the stock one, but I'd replace it with a Maxijet 900 instead of the 1200. You only give up 65GPH of flow but you really lower the power consumption. Maxijet 1200-295GPH/20W, Maxijet 900-230GPH/8.5W.

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