I'm reading this CNN link about meth labs, then looking at the list of ingredients. Other than drain cleaner, we use a lot of this stuff daily to shake off the rust and bring back the luster of our beloved two wheel machines. Just be careful for your own health!

"Making crystal involves a witch's brew of ordinary household products like acetone, acids, brake cleaner, drain cleaner, iodine and paint thinner, which are all used to cook cold medicine containing the now highly-regulated ingredient, pseudoephedrine, into meth."