Looking for advice on DIY chiller

[danno14]

Greetings all- I have posted in the Adv forum, but see that this one gets a LOT more action :)

Looking to garner advice from any of the gang on here with knowledge I may use to setup a lake-based chiller system.

Thanks!
D

http://www.reefcentral.com/forums/showthread.php?s=&threadid=1298621