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David MC Lee
04/14/2016, 08:52 PM
Took an IR image of my geothermal heat exchanger. You can see cold water (blue/black) enter from the bottom and then come out much warmer (violet). Can't see any difference in tank water but it is there. Works very well.


http://i171.photobucket.com/albums/u316/ocean_front_view/Mobile%20Uploads/flir_20160414T195319_zpsxau4kc8w.jpg (http://s171.photobucket.com/user/ocean_front_view/media/Mobile%20Uploads/flir_20160414T195319_zpsxau4kc8w.jpg.html)

Curt2199
04/15/2016, 05:53 AM
So your using geothermal power to hear the aquarium? I've been looking at using coiled titanium tube plumbed to a pump at my water heater controlled by the Apex to circulate and return water to the heater. Geothermal sounds interesting but I've heard it requires a lot of investment and time to see returns.


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David MC Lee
04/15/2016, 06:15 AM
Its a titanium heat exchanger. I only use it for cooling but could easily be designed for heating.