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| General Reef Discussion In this forum we discuss issues related to keeping marine and reef aquariums in a friendly flame-free environment. |
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03-26-2007, 06:43 PM
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#1
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Little Fishy
Join Date: Mar 2007
Location: Jacksonville
Posts: 136
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Cooling fan??
My tank is staying roughly at 84F lately. No heater running. Would running a fan on the water actually do any good to cool it?
and where to put it? main tank or wet/dry area??
thanks
Salty
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03-26-2007, 06:54 PM
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#2
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moddin aint easy
Join Date: Apr 2006
Location: newnan, ga
Posts: 5,697
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yes, running a fan would help evaporate more water, which will help with the cooling of the whole tank, do you have fans in your canopy? that would be where i started, and if you do already, i would add one to blow across the surface of your sump. why is the tank running so warm? do you have any large pumps putting alot of heat in? or metal halides without fans?
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ANDY
You don't stop laughing because you grow old, you grow old because you stop laughing. Which is ironic, because old people are hilarious.
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03-26-2007, 07:24 PM
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#3
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spaceman spiff
 
Join Date: Feb 2006
Location: south of Dimples
Posts: 10,638
Reviews: 72
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I'd recommend putting it wherever there is a good amount of air turnover. If the wet/dry is enclosed, you're going to get a good amount of humidity in the enclosure. Same with the canopy. If both are enclosed, I'd lean on putting it in the canopy just to aid in cooling the lights as well.
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03-26-2007, 07:42 PM
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#4
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Little Fishy
Join Date: Mar 2007
Location: Jacksonville
Posts: 136
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ahhhhh....... I think it just hot in my room I guess....
I have no fans running now. What kind of fans does one install in the canopy? old computer fans??
Salty
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03-26-2007, 07:51 PM
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#5
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Professor Chaos
 
Join Date: Apr 2005
Location: Arkham Asylum
Posts: 10,104
Reviews: 12
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I am currently running an icecap fan on the surface of my nano. it is keeping the tank cooler by 6-8 degrees. it also increased evaporation to about 1 gallon per day on a 10 gal tank.
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I mix twinkies and ding dongs all the time, in Europe they call it a Dinky -- Homer Simpson
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03-26-2007, 08:13 PM
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#6
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moddin aint easy
Join Date: Apr 2006
Location: newnan, ga
Posts: 5,697
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Quote:
Originally Posted by SaltyO2
ahhhhh....... I think it just hot in my room I guess....
I have no fans running now. What kind of fans does one install in the canopy? old computer fans??
Salty
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that would be a good idea, what size tank and what kinda lights are we talking about? im assuming mh's but what size tank. also, is your canopy entirely enclosed.
__________________
ANDY
You don't stop laughing because you grow old, you grow old because you stop laughing. Which is ironic, because old people are hilarious.
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03-26-2007, 08:22 PM
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#7
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Little Fishy
Join Date: Mar 2007
Location: Jacksonville
Posts: 136
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Ok , 75g AGA with 15gal wet/dry. Wooden canopy with a flip up door. I have been keeping the hood open, and the doors to the stand open too.
Also, I have 260w CF 48" setup. Lights sit about an 1" above the tank, 2 " above the water line.
Salty
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03-26-2007, 08:46 PM
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#8
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I'm Back, Baby!!!
Join Date: Aug 2003
Location: North East ATL
Posts: 304
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do you have an auto top off? because you will need one if you put a fan across the surface of the water
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03-26-2007, 09:29 PM
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#9
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Reefless Reefer
Join Date: Jun 2002
Location: Durham, NC
Posts: 20,561
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when adding fans for cooling areas. the basic rules are:
a closed system you want the fans blowing out. in an open system you want the fans blowing on the item to be cooled, waters surface, bulb/fan itself.
think of a piece of audio equipment for a closed system and you in room with a handheld fan for an open system.
G~
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Think Tanker
Friends Don't Let Friends Use Refugiums!
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"J" crowd member.
My Build Thread
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03-26-2007, 11:37 PM
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#10
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moddin aint easy
Join Date: Apr 2006
Location: newnan, ga
Posts: 5,697
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i would cut two holes in the sides of your canopy, and put in a couple 3 or 4 inch computer fans, should take all the heat off the bulbs and drop the temp ALOT! if you still have issues after that, look into your pumps, one of them would be cooking if the bulbs are staying cool
__________________
ANDY
You don't stop laughing because you grow old, you grow old because you stop laughing. Which is ironic, because old people are hilarious.
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03-27-2007, 12:22 AM
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#11
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Professor Chaos
Join Date: Apr 2005
Location: Arkham Asylum
Posts: 10,104
Reviews: 12
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actually, i recommend you cut holes in the top of the canopy. remember that heat rises so give it straight shot out.
__________________
I mix twinkies and ding dongs all the time, in Europe they call it a Dinky -- Homer Simpson
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03-27-2007, 08:26 AM
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#12
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spaceman spiff
Join Date: Feb 2006
Location: south of Dimples
Posts: 10,638
Reviews: 72
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Old computer fans (or even new ones!) work well; I've used the coralife and icecap fans, also. The coralife seemed to have a limited life to them (I've probably had 6, 3 of which have crapped out over the last 5 months or so), and at $15 or more they're probably not the best choice. Icecap makes very nice fans, but they are pretty steep (~$40?). They do have temperature controllers which will increase their speed with raising temps, but I've found them to hum quite a bit. If noise is a concern, you may want to find something else. Lately, I've been using a sunlight supply "air king" clip on fan. It's a 6" fan that is dead silent and pushes about 200 cfpm. If you can get it to fit, I'd recommend that one before anything else I've tried (~$25).
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