http://www.canreef.com/vbulletin/sho...heat+exchanger
As temperatures climb high lately i am pretty happy to say that my old heat exchanger keeps my 65 Gal +20 Gal sump at steady 23C to 24C i have two digital thermometers, on shows 23C the other 24C .
No need for chiller 3rd year in a row
