TNT Audio has a paper on cleaning fluids (and other things) that includes many fluid recipes. I've had pretty good success with them. Here it is: http://www.tnt-audio.com/clinica/fluids.html
As for 99% Isopropyl, I'm not sure where the reference came from but it can also be purchased at Safeway.
As for 99% Isopropyl, I'm not sure where the reference came from but it can also be purchased at Safeway.