The only thing I could find around my house that was pure alcohol is spiritus. It contains 96% alcohol, would that be a "effective" method to clean my CPU and heatsink with? And in general, is spiritus safe to use to clean thermal paste?
I agree with previous poster, you can pick up some rubbing alcohol at almost any local store for a dollar or two. Personally, I also like to use acetone to clean off thermal paste and then use alcohol.