absolut_racer Posted March 12, 2010 Share Posted March 12, 2010 I noticed that when my return pump is running, my system experiences a temperature swing from 73 degrees to 78+ degrees. I have a 1" durso overflow on the back upper corner of the display aquarium with a mag 7 return pump. Evaporative cooling is currently provided by 4 high CFM fans in the canopy controlled by an apex controller and two fans over the sump. My concern is that the addition of another mag 7 pump may negate any benefit that I may receive from my chiller. Instead, I would like to try installing the chiller in line with 1 return pump that may operate at a cooler temperature. Has anyone had better luck with other brand return pumps e.g. Eheim, Sicce, Tunze, etc? I am very limited on space and may not be able to install the return pump externally. However, I am considering building a platform to raise the pump out of the water... Any information on your experiences or advice would be greatly appreciated. Thanks! Link to comment Share on other sites More sharing options...
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