i don't want to sound dumb or anything, but i used toothpaste (yes, regular toothpaste) a couple of times and it worked......
the way i did it is like this:
- apply the toothpaste randomly on the CD
- well, i used small circular motions, but i guess you could use the straight outward motions (i'll have to try that one)
- rub it ALL in, untill the toothpaste kinda faints......
- take a clean peace of cloth (or something) and wipe it all out..... the CD looks brand new, and more importantly - WORKS
Also, i've seen those little CD repair kits at wal-mart, they work pretty good.... the only downside of that is, you have to buy that special liquid to make it work....... well, you know what - that "special" liquid is deionized water..... in other words, you can just take regular tap water, boil it for awhile (it would be perfect to catch the fumes on the CD but meh....), take it out and let it cool - and voila, you got urself alot of distilled water....
the only reason you distill it is to clean it.... i don't know about ur tapwater, but most tap waters have alot of copper, natrium (sodium) sometimes kalium (potassium) and alot of minerals..... chlorine too
since i do not have such a device, and i'm unable to buy it, i'll stick to my toothpaste method, and try yours..... its cheap and it works

well, that was my two cents...