Equipment & Supplies • DIY Temperature controller

[SaintPaulCichlids]

I was searching around for a diy temp controller and came on to the stc 1000. i got the link from youtube if anyone is interested. I am using it atm. it's has a waterproofed temp sensor on the stc 1000.
link: (this is not my diy: credit goes to guy on youtube.)
http://www.youtube.com/watch?v=7I-iwFLykxs