Chiller question for 44g cube + 20g sump

[andsoitgoes]

Originally Posted by untamed

I have personally run the iceprobe chiller on my 30 gallon hex and found it unable to cause much measureable reduction in tank temperature. Cool technology to be sure...but you would need a few of them to make a difference.

Two 5" fans on the sump made a much larger impact.

that's what I figured, at least 3 or 4 to drop it 10 degrees, and then I'm up to the cost of a chiller. The next option was to do the fans and an ATO, hopefully that would be enough - It seems the best way.