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Old 05-12-2011, 02:54 AM   #1
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Question Ever tried a combined cooling/filtration system?

I have been looking around at different filtration and cooling/heating systems for aquariums and noticed that just about everything is separate (and cooling can be very expensive).

I am the type that enjoys a good diy project and the idea has me intrigued. I'm looking at doing a freshwater cold aquarium with temps around 55-60*.


Has anyone made or attempted to make a combined cooling + filtration system? If so, would you mind sharing your success/discoveries? If not, I wouldn't mind your ideas/input either.


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Old 05-12-2011, 02:59 AM   #2
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My idea would be a trickle filter with some form of fan on it. Like a swamp cooler idea, except reverse. The problem would be controlling the temp. that would be real finicky.
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Old 05-12-2011, 05:50 AM   #3
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I don't know much about cooling, but in swimming pools, everything is connected. A concept of combined cooling and filtering would prob work best like this also. Have the water run through some type of machine to cool it before returning to the tank.
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Old 05-12-2011, 01:04 PM   #4
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Quote:
I don't know much about cooling, but in swimming pools, everything is connected. A concept of combined cooling and filtering would prob work best like this also. Have the water run through some type of machine to cool it before returning to the tank.
That is the idea . I am looking to do a system which would intake the water, cool it and then filter it before returning it to the tank. Right now I'm looking into making that would intake on one side and have a temperature gauge. When the temperature rises above a specific a valve would open, forcing the water through the cooling system. Once the temperature is reached the valve closes, the cooling system is turned off or stopped and the water goes only through the filtration system. This would prevent over-cooling. I would probably also keep a heater in the tank that could keep it above a certain temperature if necessary. That part is the tricky part for me.

Quote:
My idea would be a trickle filter with some form of fan on it. Like a swamp cooler idea, except reverse. The problem would be controlling the temp. that would be real finicky.
I like the trickle filter idea. I have no experience using one though. The only problem with using the fan is it may not bring me down to the 50-60* mark. The ideas I have looked at so far only bring it down to maybe 70-75* in a warmer room. My house tends to stay around 68-72* even with air conditioning. That's a perfect temp for my tropical fish but not so much for coldwater.
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Old 05-12-2011, 05:59 PM   #5
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if you pm greenmaster, he might know of a way to make something turn on due to high temp. I believe his LED has a turn that turns on to prevent overheating
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Old 05-13-2011, 01:07 AM   #6
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I will consider greenmaster as an option, ty I know that the set up is possible, I think I am more curious who has attempted it and how. There has been limited information on the internet outside of purchasing a refrigeration unit or very pricey aquarium cooler.
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Old 05-13-2011, 03:13 AM   #7
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Mint, how much time and effort are you looking at putting into this project?how much room do you have for said project? The only reason Kim asking is because you could possibly look into taking the compressor/pump and hardliner from an apartment or dorm refrigerator and simply use it to cool off the water. If used in combination with a water heater, would ensure temp doesn't fall too far. Only tricky part would be regulating the cooling effect, seeing as to how the refrig unit, even from a tiny fridge, will cool below 50... have a rough idea of how to do a combined cooler/filter if you are interested.
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Old 05-13-2011, 03:27 AM   #8
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Quote:
Originally Posted by Henry405 View Post
if you pm greenmaster, he might know of a way to make something turn on due to high temp. I believe his LED has a turn that turns on to prevent overheating
He has a 500$-800$ apex controller that controls his cooling pumps.
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Old 05-13-2011, 03:29 AM   #9
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I have a new idea:

If you have a sump, you can build an a "chiller" chamber next to the return chamber, but instead of using glass to separate the chambers, a material that would allow temperature changes to dissolve through (ex. coldness from ice moving from inside a ziplock bag onto your skin). A chilling mechanism (freezing metal coils) would be left in the "chiller" chamber to decrease the temperature of the water in this chamber. This will allow the transfer of cold temperature from the metal coils into your SW, but will not run the risk of contaminating your water. Rough drawing below.

Blue = SW

greenish water = chilling water

black box = chilling machine

brown = metal coils


dang, I didnt think the controller box was that much!
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Old 05-13-2011, 03:37 AM   #10
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A slightly different take to henry's idea, (albeit ultimately the same idea) imagine if you lined the inside of a small bucket with the coils from a refrig unit then simply sat the canister filter inside of it, im not 100% familiar with canister filters but I would imagine you could fill the outer bucket with water to allow the xfer of cooler temp to the water inside the canister filter.
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