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Old 05-01-2013, 04:37 AM   #46
sbarbee54
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Best cooling Fans


Ok bought a fan like nick suggested it is coming from over seas so might take a bit also bought a 4 fan aquatek unit. I will post on that one I should have it Friday. Until then the clip on is fighting the heat war


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Old 05-01-2013, 06:04 AM   #47
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Quote:
Originally Posted by Asphalt Art View Post
Yes, heat transfers to cold, not the other way around. The heat leaving the coiled hose cools it, and warms the fridge as a result. The fridge will then be running 24/7 in an attempt to cool itself back down. In turn, equilibrium will only be met if the tank water reaches the setting of the fridge.

Forgot to add. They already have a controller built in, but it only monitors fridge temps.
Ahhh. Got it. I assume you have tried this method yourself?
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Old 05-01-2013, 10:29 AM   #48
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Ahhh. Got it. I assume you have tried this method yourself?
Nope, don't need to. I have a good amount of technical knowledge that even I find useless at times. I can play all of the possible outcomes out in my head mentally.
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Old 05-01-2013, 10:54 AM   #49
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I thought that is not a good way to chill the water (fridge). I was thinking about it for a long time and found this:
http://www.cs.cmu.edu/~cap/raid/chillers/dormfridge/

And a lot more people talking about how ineffective it's in the reef forum.
Maybe because they just trying to use it on bigger tank. And maybe for smaller tank, it will be fine.

I'm thinking about insulating the tanks wall and leave the top open during the summer. Not sure if that will work.
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Old 05-01-2013, 11:32 AM   #50
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Tank size will have little effect in a larger scope of things. They simply are not efficient for this particular task.

For the same price you could get a window AC unit for the room, and it would cost less per month than the fridge to boot.

Yes insulating the tank walls would work. If you could take a thermal image of your tank on a hot day (with colder water inside) you would see the cold falling off of the sides onto the floor. Heat rises out of the top, just the same as taking your hat off in winter and seeing the steam rising from your head. Glass is also a really poor insulator compared to other materials.
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Old 05-01-2013, 04:22 PM   #51
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Hi guys, I heard many of folks mention the shrimps are not doing well or may dying out if in the summer season, especially in hot water ? so that's why need fan for it??
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Old 05-01-2013, 04:48 PM   #52
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Yep. Bacterial infections get higher in warmer water, too.
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Old 05-01-2013, 07:12 PM   #53
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Out of curiosity, did you buy the exact model that Nick recommended (~$42 on ebay) or item 370244011829 (~$23 on ebay). With such a big price difference, I'm wondering if there's a difference in quality or possibly in sound while in use.
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Old 05-01-2013, 08:52 PM   #54
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Mark,

There's one going for $21 on evilbay, Search "New Japan Design Aquarium Powerful Single Cooling Fan".

Nick

Last edited by speedie408; 05-01-2013 at 09:01 PM.. Reason: I never posted any link... lol
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Old 05-02-2013, 09:02 PM   #55
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So the 20 fans I ordered have arrived and we cut all the brackets out last night and I got a few up and running today. Heres a few pictures of how they turned out





I used 120mm 12VDC computer cast fans that draw 0.25 amps and just ran them with a battery charger hooked to a 12 volt bus bar with the low amps they draw I can run up to 24 fans off one battery charger and only have one thing pluged in to power all of them that was my main reason for going 12VDC.



Picture of the brackets as they were being cut out



I am going to tackle my 75 gallon next lol this is a picture of how it looks before will post another once its done

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Old 05-02-2013, 09:22 PM   #56
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Default Re: Best cooling Fans

Keep us posted on results you might have to start selling these

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Old 05-02-2013, 09:44 PM   #57
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That rimless tank bracket is pretty sweet.... hook us up!
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Old 05-02-2013, 09:44 PM   #58
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So far I am super happy with how things are turning out for someone with multy tanks and few wall plugs to use this set up is ideal and will cost me next to nothing to run all of them. As far as selling them goes I can cut anything anyone wants I just need the measurements first then I can make a drawing of how it looks before we cut it in case anything needs to be changed. This plasma table can cut anything you can come up with I have yet to find any design it couldn't cut.
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Old 05-02-2013, 09:57 PM   #59
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this was a little project I did awhile back all aluminum the top and bottom shelf have no welds it was all cut on the plasma table and bent it has a 12x12 Mr. Aqua rimless with a ehiem 2215 filter

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Old 05-02-2013, 10:21 PM   #60
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Quote:
Originally Posted by speedie408 View Post
Mark,

There's one going for $21 on evilbay, Search "New Japan Design Aquarium Powerful Single Cooling Fan".

Nick
I think that is one I tried to order. The seller said it was not compliant in the US and refunded my money. I think it has to do with the voltage being at 220V. The US uses 110V I believe. I am open to links for ones that are US compliant, or further clarification if I am wrong.
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