Cheap Way To Cool My Tank?

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Tien

Feeder Fish
MFK Member
May 1, 2010
198
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Las Vegas
I am going to set up my 500 gallon aquarium in my garage. However it gets 125 degrees outside in Las Vegas. My garage doesn't get that hot but I bet it can get 95 to 100. I looked at getting some chillers but they are through the roof expensive to buy and run. Anyone have any experience here? I know evaporation helps cool the water. I might just have to air condition my garage...
 
Have you considered running fans over the water surface? I use clip on fans to keep my cold water tank cool in the summer. Cheap and works great. For a 500g your work is ut out for you no matter what you do. Some decent sized fans and a piece of ductwork funneling the air to the waters surface would help (if you have to keep on lids) if not then it's even easier!
 
Fans!!!!

as cheap as you can get.

I have one of those long window fans with two blades blowing down on top of my cold water tank..about 6 inches from the surface.
Its a 40 gallon tall and it keeps the tank at 67-73 depending on how hot the room gets, i lose about a gallon a day in evaporation.
 
You running a sump Tien? If so that evaporation is going to be an epic PITA.
 
Lol, yeah I will have a sump and will expect evaporation. However, how mych can evaporation and fans really lower the temp? Can it turn 100 degree water to 80 degrees? Im going to fill the tank and run a few pumps for a few weeks through the summer to see where the temp readings are so I can guage how many degrees I will have to lower it.
 
I took 2 old PC fans and spliced them into old cell phone chargers covering all the exposed wires with heat shrink tubing, have them blowing across the water of my 90 which keeps it to the mid 60s (but its in an ac'ed room that stays around 73-74 deg already)
 
ive been wondering this very thing for a larger tank

the temp a few feet down in soil is a good bit cooler .So i wonder if you ran a load of pipe into your yard then pumped water down through it, would it keep the temp nice and low ?

you would not need that big of a pump as youd only be pushing the water against the small head and the resistance in the pipe.

worth a thought anyway
 
after doing some reading the info i can find claims the below ground temp is between 50 and 55 f at 4 to 6 feet down.

so a bunch of pipe burried down a few feet would give you a good heatsink.
 
Good ideas. It seems like fans do a fairly good job. I may even be able to pump the water through ground pipes. Thanks for the ideas!
 
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